528,000
528,000 is a composite number, even.
528,000 (five hundred twenty-eight thousand) is an even 6-digit number. It is a composite number with 128 divisors, and factors as 2⁷ × 3 × 5³ × 11. Its proper divisors sum to 1,381,440, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x80E80.
Interestingness
Properties
Primality
Prime factorization: 2 7 × 3 × 5 3 × 11
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√528,000 = [726; (1, 1, 1, 2, 1, 28, 1, 13, 1, 1, 3, 3, 1, 2, 1, 6, 2, 57, 1, 1, 1, 90, 6, 14, …)]
Representations
- In words
- five hundred twenty-eight thousand
- Ordinal
- 528000th
- Binary
- 10000000111010000000
- Octal
- 2007200
- Hexadecimal
- 0x80E80
- Base64
- CA6A
- One's complement
- 4,294,439,295 (32-bit)
- Scientific notation
- 5.28 × 10⁵
- As a duration
- 528,000 s = 6 days, 2 hours, 40 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼
- Greek (Milesian)
- ͵φκη
- Chinese
- 五十二萬八千
- Chinese (financial)
- 伍拾貳萬捌仟
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 528000, here are decompositions:
- 7 + 527993 = 528000
- 13 + 527987 = 528000
- 17 + 527983 = 528000
- 19 + 527981 = 528000
- 59 + 527941 = 528000
- 71 + 527929 = 528000
- 79 + 527921 = 528000
- 103 + 527897 = 528000
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.14.128.
- Address
- 0.8.14.128
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.14.128
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 528,000 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°.