488,820
488,820 is a composite number, even.
488,820 (four hundred eighty-eight thousand eight hundred twenty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 5 × 8,147. Its proper divisors sum to 880,044, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x77574.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 28,884
- Square (n²)
- 238,944,992,400
- Cube (n³)
- 116,801,091,184,968,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 1,368,864
- φ(n) — Euler's totient
- 130,336
- Sum of prime factors
- 8,159
Primality
Prime factorization: 2 2 × 3 × 5 × 8147
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√488,820 = [699; (6, 2, 1, 1, 1, 1, 16, 1, 6, 2, 1, 1, 1, 4, 1, 86, 1, 1, 2, 1, 22, 1, 68, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- four hundred eighty-eight thousand eight hundred twenty
- Ordinal
- 488820th
- Binary
- 1110111010101110100
- Octal
- 1672564
- Hexadecimal
- 0x77574
- Base64
- B3V0
- One's complement
- 4,294,478,475 (32-bit)
- Scientific notation
- 4.8882 × 10⁵
- As a duration
- 488,820 s = 5 days, 15 hours, 47 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵υπηωκʹ
- Chinese
- 四十八萬八千八百二十
- Chinese (financial)
- 肆拾捌萬捌仟捌佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 488820, here are decompositions:
- 23 + 488797 = 488820
- 29 + 488791 = 488820
- 41 + 488779 = 488820
- 61 + 488759 = 488820
- 71 + 488749 = 488820
- 97 + 488723 = 488820
- 103 + 488717 = 488820
- 109 + 488711 = 488820
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.117.116.
- Address
- 0.7.117.116
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.117.116
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 488,820 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 488820 first appears in π at position 832,412 of the decimal expansion (the 832,412ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.