532,440
532,440 is a composite number, even.
532,440 (five hundred thirty-two thousand four hundred forty) is an even 6-digit number. It is a composite number with 128 divisors, and factors as 2³ × 3³ × 5 × 17 × 29. Its proper divisors sum to 1,411,560, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x81FD8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 44,235
- Square (n²)
- 283,492,353,600
- Cube (n³)
- 150,942,668,750,784,000
- Divisor count
- 128
- σ(n) — sum of divisors
- 1,944,000
- φ(n) — Euler's totient
- 129,024
- Sum of prime factors
- 66
Primality
Prime factorization: 2 3 × 3 3 × 5 × 17 × 29
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√532,440 = [729; (1, 2, 5, 1, 3, 2, 2, 161, 1, 2, 1, 7, 1, 7, 1, 2, 1, 161, 2, 2, 3, 1, 5, 2, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- five hundred thirty-two thousand four hundred forty
- Ordinal
- 532440th
- Binary
- 10000001111111011000
- Octal
- 2017730
- Hexadecimal
- 0x81FD8
- Base64
- CB/Y
- One's complement
- 4,294,434,855 (32-bit)
- Scientific notation
- 5.3244 × 10⁵
- As a duration
- 532,440 s = 6 days, 3 hours, 54 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φλβυμʹ
- Chinese
- 五十三萬二千四百四十
- Chinese (financial)
- 伍拾參萬貳仟肆佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 532440, here are decompositions:
- 19 + 532421 = 532440
- 23 + 532417 = 532440
- 37 + 532403 = 532440
- 61 + 532379 = 532440
- 67 + 532373 = 532440
- 107 + 532333 = 532440
- 109 + 532331 = 532440
- 113 + 532327 = 532440
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.31.216.
- Address
- 0.8.31.216
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.31.216
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 532,440 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°.