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1,024,220

1,024,220 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.).

1,024,220 (one million twenty-four thousand two hundred twenty) is an even 7-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 83 × 617. Its proper divisors sum to 1,156,084, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFA0DC.

Abundant Number Arithmetic Number Cube-Free Gapful Number Odious Number Pernicious Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
11
Digit product
0
Digital root
2
Palindrome
No
Bit width
20 bits
Reversed
224,201
Square (n²)
1,049,026,608,400
Cube (n³)
1,074,434,032,855,448,000
Divisor count
24
σ(n) — sum of divisors
2,180,304
φ(n) — Euler's totient
404,096
Sum of prime factors
709

Primality

Prime factorization: 2 2 × 5 × 83 × 617

Nearest primes: 1,024,207 (−13) · 1,024,249 (+29)

Divisors & multiples

All divisors (24)
1 · 2 · 4 · 5 · 10 · 20 · 83 · 166 · 332 · 415 · 617 · 830 · 1234 · 1660 · 2468 · 3085 · 6170 · 12340 · 51211 · 102422 · 204844 · 256055 · 512110 (half) · 1024220
Aliquot sum (sum of proper divisors): 1,156,084
Factor pairs (a × b = 1,024,220)
1 × 1024220
2 × 512110
4 × 256055
5 × 204844
10 × 102422
20 × 51211
83 × 12340
166 × 6170
332 × 3085
415 × 2468
617 × 1660
830 × 1234
First multiples
1,024,220 · 2,048,440 (double) · 3,072,660 · 4,096,880 · 5,121,100 · 6,145,320 · 7,169,540 · 8,193,760 · 9,217,980 · 10,242,200

Sums & aliquot sequence

As consecutive integers: 204,842 + 204,843 + 204,844 + 204,845 + 204,846 128,024 + 128,025 + … + 128,031 25,586 + 25,587 + … + 25,625 12,299 + 12,300 + … + 12,381
Aliquot sequence: 1,024,220 1,156,084 867,070 744,578 372,292 284,364 453,156 700,668 1,070,556 1,427,436 2,273,604 3,031,500 6,193,716 8,887,308 12,101,940 26,188,620 47,139,684 — unresolved within range

Continued fraction of √n

√1,024,220 = [1012; (26, 1, 1, 1, 2, 1, 1, 5, 35, 1, 27, 1, 1, 6, 2, 48, 1, 9, 2, 1, 7, 2, 1, 1, …)]

Representations

In words
one million twenty-four thousand two hundred twenty
Ordinal
1024220th
Binary
11111010000011011100
Octal
3720334
Hexadecimal
0xFA0DC
Base64
D6Dc
One's complement
4,293,943,075 (32-bit)
Scientific notation
1.02422 × 10⁶
As a duration
1,024,220 s = 11 days, 20 hours, 30 minutes, 20 seconds
In other bases
ternary (3) 1221000222002
quaternary (4) 3322003130
quinary (5) 230233340
senary (6) 33541432
septenary (7) 11464031
nonary (9) 1830862
undecimal (11) 63a56a
duodecimal (12) 414878
tridecimal (13) 29b262
tetradecimal (14) 1c9388
pentadecimal (15) 153715

As an angle

1,024,220° = 2,845 × 360° + 20°
20° ≈ 0.349 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆
Chinese
一百零二萬四千二百二十
Chinese (financial)
壹佰零貳萬肆仟貳佰貳拾
In other modern scripts
Eastern Arabic ١٠٢٤٢٢٠ Devanagari १०२४२२० Bengali ১০২৪২২০ Tamil ௧௦௨௪௨௨௦ Thai ๑๐๒๔๒๒๐ Tibetan ༡༠༢༤༢༢༠ Khmer ១០២៤២២០ Lao ໑໐໒໔໒໒໐ Burmese ၁၀၂၄၂၂၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1024220, here are decompositions:

  • 13 + 1024207 = 1024220
  • 31 + 1024189 = 1024220
  • 37 + 1024183 = 1024220
  • 61 + 1024159 = 1024220
  • 199 + 1024021 = 1024220
  • 229 + 1023991 = 1024220
  • 271 + 1023949 = 1024220
  • 277 + 1023943 = 1024220

Showing the first eight; more decompositions exist.

Hex color
#0FA0DC
RGB(15, 160, 220)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.160.220.

Address
0.15.160.220
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.160.220

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

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 2, 4220 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 4220-02-01 (DMMYYYY (Euro, single-digit day))
  • 4220-10-02 (MMDYYYY (US, single-digit day))
  • 4220-02-10 (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 1,024,220 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°.