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1,022,730

1,022,730 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

1,022,730 (one million twenty-two thousand seven hundred thirty) is an even 7-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 5 × 73 × 467. Its proper divisors sum to 1,470,774, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF9B0A.

Abundant Number Arithmetic Number Cube-Free Gapful Number Harshad / Niven Odious Number Pernicious Number Practical Number Semiperfect Number Squarefree

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
20 bits
Reversed
372,201
Square (n²)
1,045,976,652,900
Cube (n³)
1,069,751,702,220,417,000
Divisor count
32
σ(n) — sum of divisors
2,493,504
φ(n) — Euler's totient
268,416
Sum of prime factors
550

Primality

Prime factorization: 2 × 3 × 5 × 73 × 467

Nearest primes: 1,022,729 (−1) · 1,022,761 (+31)

Divisors & multiples

All divisors (32)
1 · 2 · 3 · 5 · 6 · 10 · 15 · 30 · 73 · 146 · 219 · 365 · 438 · 467 · 730 · 934 · 1095 · 1401 · 2190 · 2335 · 2802 · 4670 · 7005 · 14010 · 34091 · 68182 · 102273 · 170455 · 204546 · 340910 · 511365 (half) · 1022730
Aliquot sum (sum of proper divisors): 1,470,774
Factor pairs (a × b = 1,022,730)
1 × 1022730
2 × 511365
3 × 340910
5 × 204546
6 × 170455
10 × 102273
15 × 68182
30 × 34091
73 × 14010
146 × 7005
219 × 4670
365 × 2802
438 × 2335
467 × 2190
730 × 1401
934 × 1095
First multiples
1,022,730 · 2,045,460 (double) · 3,068,190 · 4,090,920 · 5,113,650 · 6,136,380 · 7,159,110 · 8,181,840 · 9,204,570 · 10,227,300

Sums & aliquot sequence

As consecutive integers: 340,909 + 340,910 + 340,911 255,681 + 255,682 + 255,683 + 255,684 204,544 + 204,545 + 204,546 + 204,547 + 204,548 85,222 + 85,223 + … + 85,233
Aliquot sequence: 1,022,730 1,470,774 1,470,786 1,470,798 2,298,594 2,298,606 2,298,618 3,590,694 4,189,182 4,251,138 4,271,358 6,244,098 8,028,222 8,873,538 9,645,438 11,764,482 12,427,518 — unresolved within range

Continued fraction of √n

√1,022,730 = [1011; (3, 3, 8, 2, 5, 6, 6, 2, 1, 12, 2, 4, 1, 1, 336, 1, 1, 4, 2, 12, 1, 2, 6, 6, …)]

Period length 30 — the block in parentheses repeats forever.

Representations

In words
one million twenty-two thousand seven hundred thirty
Ordinal
1022730th
Binary
11111001101100001010
Octal
3715412
Hexadecimal
0xF9B0A
Base64
D5sK
One's complement
4,293,944,565 (32-bit)
Scientific notation
1.02273 × 10⁶
As a duration
1,022,730 s = 11 days, 20 hours, 5 minutes, 30 seconds
In other bases
ternary (3) 1220221220220
quaternary (4) 3321230022
quinary (5) 230211410
senary (6) 33530510
septenary (7) 11456502
nonary (9) 1827826
undecimal (11) 639435
duodecimal (12) 413a36
tridecimal (13) 29a687
tetradecimal (14) 1c8a02
pentadecimal (15) 153070

As an angle

1,022,730° = 2,840 × 360° + 330°
330° ≈ 5.76 rad
Compass bearing: NNW (north-northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆
Chinese
一百零二萬二千七百三十
Chinese (financial)
壹佰零貳萬貳仟柒佰參拾
In other modern scripts
Eastern Arabic ١٠٢٢٧٣٠ Devanagari १०२२७३० Bengali ১০২২৭৩০ Tamil ௧௦௨௨௭௩௦ Thai ๑๐๒๒๗๓๐ Tibetan ༡༠༢༢༧༣༠ Khmer ១០២២៧៣០ Lao ໑໐໒໒໗໓໐ Burmese ၁၀၂၂၇၃၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1022730, here are decompositions:

  • 11 + 1022719 = 1022730
  • 29 + 1022701 = 1022730
  • 41 + 1022689 = 1022730
  • 47 + 1022683 = 1022730
  • 53 + 1022677 = 1022730
  • 97 + 1022633 = 1022730
  • 101 + 1022629 = 1022730
  • 139 + 1022591 = 1022730

Showing the first eight; more decompositions exist.

Hex color
#0F9B0A
RGB(15, 155, 10)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.155.10.

Address
0.15.155.10
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.155.10

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 2, 2730 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2730-02-01 (DMMYYYY (Euro, single-digit day))
  • 2730-10-02 (MMDYYYY (US, single-digit day))
  • 2730-02-10 (DDMYYYY (Euro, single-digit month))
Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,022,730 and was likely granted around 1912.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.