512,442
512,442 is a composite number, even.
512,442 (five hundred twelve thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2 × 3² × 7³ × 83. Its proper divisors sum to 797,958, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7D1BA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 320
- Digital root
- 9
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 244,215
- Square (n²)
- 262,596,803,364
- Cube (n³)
- 134,565,631,109,454,888
- Divisor count
- 48
- σ(n) — sum of divisors
- 1,310,400
- φ(n) — Euler's totient
- 144,648
- Sum of prime factors
- 112
Primality
Prime factorization: 2 × 3 2 × 7 3 × 83
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√512,442 = [715; (1, 5, 1, 2, 4, 3, 1, 16, 1, 10, 3, 28, 1, 8, 1, 1, 15, 1, 1, 3, 1, 1, 1, 12, …)]
Representations
- In words
- five hundred twelve thousand four hundred forty-two
- Ordinal
- 512442nd
- Binary
- 1111101000110111010
- Octal
- 1750672
- Hexadecimal
- 0x7D1BA
- Base64
- B9G6
- One's complement
- 4,294,454,853 (32-bit)
- Scientific notation
- 5.12442 × 10⁵
- As a duration
- 512,442 s = 5 days, 22 hours, 20 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φιβυμβʹ
- Chinese
- 五十一萬二千四百四十二
- Chinese (financial)
- 伍拾壹萬貳仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 512442, here are decompositions:
- 13 + 512429 = 512442
- 23 + 512419 = 512442
- 53 + 512389 = 512442
- 89 + 512353 = 512442
- 109 + 512333 = 512442
- 131 + 512311 = 512442
- 173 + 512269 = 512442
- 191 + 512251 = 512442
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.209.186.
- Address
- 0.7.209.186
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.209.186
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 512,442 and was likely granted around 1893.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 512442 first appears in π at position 715,872 of the decimal expansion (the 715,872ordinal-suffix:nd 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°.