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1,022,625

1,022,625 is a composite number, odd.

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.).

1,022,625 (one million twenty-two thousand six hundred twenty-five) is an odd 7-digit number. It is a composite number with 40 divisors, and factors as 3⁴ × 5³ × 101. Written other ways, in hexadecimal, 0xF9AA1.

Deficient Number Gapful Number Odious Number Pernicious Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
5,262,201
Recamán's sequence
a(371,077) = 1,022,625
Square (n²)
1,045,761,890,625
Cube (n³)
1,069,422,253,400,390,625
Divisor count
40
σ(n) — sum of divisors
1,925,352
φ(n) — Euler's totient
540,000
Sum of prime factors
128

Primality

Prime factorization: 3 4 × 5 3 × 101

Nearest primes: 1,022,611 (−14) · 1,022,629 (+4)

Divisors & multiples

All divisors (40)
1 · 3 · 5 · 9 · 15 · 25 · 27 · 45 · 75 · 81 · 101 · 125 · 135 · 225 · 303 · 375 · 405 · 505 · 675 · 909 · 1125 · 1515 · 2025 · 2525 · 2727 · 3375 · 4545 · 7575 · 8181 · 10125 · 12625 · 13635 · 22725 · 37875 · 40905 · 68175 · 113625 · 204525 · 340875 · 1022625
Aliquot sum (sum of proper divisors): 902,727
Factor pairs (a × b = 1,022,625)
1 × 1022625
3 × 340875
5 × 204525
9 × 113625
15 × 68175
25 × 40905
27 × 37875
45 × 22725
75 × 13635
81 × 12625
101 × 10125
125 × 8181
135 × 7575
225 × 4545
303 × 3375
375 × 2727
405 × 2525
505 × 2025
675 × 1515
909 × 1125
First multiples
1,022,625 · 2,045,250 (double) · 3,067,875 · 4,090,500 · 5,113,125 · 6,135,750 · 7,158,375 · 8,181,000 · 9,203,625 · 10,226,250

Sums & aliquot sequence

As a sum of two squares: 81² + 1,008² = 279² + 972² = 360² + 945² = 540² + 855²
As consecutive integers: 511,312 + 511,313 340,874 + 340,875 + 340,876 204,523 + 204,524 + 204,525 + 204,526 + 204,527 170,435 + 170,436 + 170,437 + 170,438 + 170,439 + 170,440
Aliquot sequence: 1,022,625 902,727 697,833 369,675 326,709 160,843 3,965 1,243 125 31 1 0 — terminates at zero

Continued fraction of √n

√1,022,625 = [1011; (4, 80, 1, 1, 1, 5, 1, 80, 20, 80, 1, 5, 1, 1, 1, 80, 4, 2022)]

Period length 18 — the block in parentheses repeats forever.

Representations

In words
one million twenty-two thousand six hundred twenty-five
Ordinal
1022625th
Binary
11111001101010100001
Octal
3715241
Hexadecimal
0xF9AA1
Base64
D5qh
One's complement
4,293,944,670 (32-bit)
Scientific notation
1.022625 × 10⁶
As a duration
1,022,625 s = 11 days, 20 hours, 3 minutes, 45 seconds
In other bases
ternary (3) 1220221210000
quaternary (4) 3321222201
quinary (5) 230211000
senary (6) 33530213
septenary (7) 11456262
nonary (9) 1827700
undecimal (11) 63934a
duodecimal (12) 413969
tridecimal (13) 29a606
tetradecimal (14) 1c8969
pentadecimal (15) 153000

As an angle

1,022,625° = 2,840 × 360° + 225°
225° ≈ 3.927 rad
Compass bearing: SW (southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese
一百零二萬二千六百二十五
Chinese (financial)
壹佰零貳萬貳仟陸佰貳拾伍
In other modern scripts
Eastern Arabic ١٠٢٢٦٢٥ Devanagari १०२२६२५ Bengali ১০২২৬২৫ Tamil ௧௦௨௨௬௨௫ Thai ๑๐๒๒๖๒๕ Tibetan ༡༠༢༢༦༢༥ Khmer ១០២២៦២៥ Lao ໑໐໒໒໖໒໕ Burmese ၁၀၂၂၆၂၅

Also seen as

Hex color
#0F9AA1
RGB(15, 154, 161)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.154.161.

Address
0.15.154.161
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.154.161

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

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 2, 2625 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2625-02-01 (DMMYYYY (Euro, single-digit day))
  • 2625-10-02 (MMDYYYY (US, single-digit day))
  • 2625-02-10 (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 1,022,625 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