557,988
557,988 is a composite number, even.
557,988 (five hundred fifty-seven thousand nine hundred eighty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 3 × 46,499. Its proper divisors sum to 744,012, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x883A4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 42
- Digit product
- 100,800
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 889,755
- Recamán's sequence
- a(196,872) = 557,988
- Square (n²)
- 311,350,608,144
- Cube (n³)
- 173,729,903,137,054,272
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,302,000
- φ(n) — Euler's totient
- 185,992
- Sum of prime factors
- 46,506
Primality
Prime factorization: 2 2 × 3 × 46499
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√557,988 = [746; (1, 70, 7, 30, 2, 1, 7, 1, 2, 11, 1, 2, 2, 1, 5, 1, 30, 1, 14, 1, 1, 2, 5, 1, …)]
Representations
- In words
- five hundred fifty-seven thousand nine hundred eighty-eight
- Ordinal
- 557988th
- Binary
- 10001000001110100100
- Octal
- 2101644
- Hexadecimal
- 0x883A4
- Base64
- CIOk
- One's complement
- 4,294,409,307 (32-bit)
- Scientific notation
- 5.57988 × 10⁵
- As a duration
- 557,988 s = 6 days, 10 hours, 59 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵φνζϡπηʹ
- Chinese
- 五十五萬七千九百八十八
- Chinese (financial)
- 伍拾伍萬柒仟玖佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 557988, here are decompositions:
- 7 + 557981 = 557988
- 61 + 557927 = 557988
- 89 + 557899 = 557988
- 97 + 557891 = 557988
- 127 + 557861 = 557988
- 131 + 557857 = 557988
- 157 + 557831 = 557988
- 199 + 557789 = 557988
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.131.164.
- Address
- 0.8.131.164
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.131.164
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 557,988 and was likely granted around 1895.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 557988 first appears in π at position 180,351 of the decimal expansion (the 180,351ordinal-suffix:st 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°.