538,000
538,000 is a composite number, even.
538,000 (five hundred thirty-eight thousand) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5³ × 269. Its proper divisors sum to 767,720, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x83590.
Interestingness
Properties
Primality
Prime factorization: 2 4 × 5 3 × 269
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√538,000 = [733; (2, 15, 1, 57, 1, 2, 1, 5, 7, 58, 1, 1, 5, 1, 5, 1, 1, 58, 7, 5, 1, 2, 1, 57, …)]
Period length 28 — the block in parentheses repeats forever.
Representations
- In words
- five hundred thirty-eight thousand
- Ordinal
- 538000th
- Binary
- 10000011010110010000
- Octal
- 2032620
- Hexadecimal
- 0x83590
- Base64
- CDWQ
- One's complement
- 4,294,429,295 (32-bit)
- Scientific notation
- 5.38 × 10⁵
- As a duration
- 538,000 s = 6 days, 5 hours, 26 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼
- Greek (Milesian)
- ͵φλη
- Chinese
- 五十三萬八千
- Chinese (financial)
- 伍拾參萬捌仟
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 538000, here are decompositions:
- 59 + 537941 = 538000
- 101 + 537899 = 538000
- 227 + 537773 = 538000
- 251 + 537749 = 538000
- 257 + 537743 = 538000
- 389 + 537611 = 538000
- 401 + 537599 = 538000
- 431 + 537569 = 538000
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.53.144.
- Address
- 0.8.53.144
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.53.144
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 538,000 and was likely granted around 1894.
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°.