513,438
513,438 is a composite number, even.
513,438 (five hundred thirteen thousand four hundred thirty-eight) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 83 × 1,031. Its proper divisors sum to 526,818, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x7D59E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,440
- Digital root
- 6
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 834,315
- Square (n²)
- 263,618,579,844
- Cube (n³)
- 135,351,796,397,943,672
- Divisor count
- 16
- σ(n) — sum of divisors
- 1,040,256
- φ(n) — Euler's totient
- 168,920
- Sum of prime factors
- 1,119
Primality
Prime factorization: 2 × 3 × 83 × 1031
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√513,438 = [716; (1, 1, 4, 1, 18, 1, 1, 4, 1, 2, 1, 1, 6, 6, 1, 1, 5, 9, 1, 1, 3, 6, 3, 8, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- five hundred thirteen thousand four hundred thirty-eight
- Ordinal
- 513438th
- Binary
- 1111101010110011110
- Octal
- 1752636
- Hexadecimal
- 0x7D59E
- Base64
- B9We
- One's complement
- 4,294,453,857 (32-bit)
- Scientific notation
- 5.13438 × 10⁵
- As a duration
- 513,438 s = 5 days, 22 hours, 37 minutes, 18 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵φιγυληʹ
- Chinese
- 五十一萬三千四百三十八
- Chinese (financial)
- 伍拾壹萬參仟肆佰參拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 513438, here are decompositions:
- 7 + 513431 = 513438
- 11 + 513427 = 513438
- 19 + 513419 = 513438
- 31 + 513407 = 513438
- 41 + 513397 = 513438
- 67 + 513371 = 513438
- 71 + 513367 = 513438
- 97 + 513341 = 513438
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.7.213.158.
- Address
- 0.7.213.158
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.213.158
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 513,438 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 513438 first appears in π at position 264,545 of the decimal expansion (the 264,545ordinal-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°.