525,040
525,040 is a composite number, even.
525,040 (five hundred twenty-five thousand forty) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 5 × 6,563. Its proper divisors sum to 695,864, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x802F0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 40,525
- Square (n²)
- 275,667,001,600
- Cube (n³)
- 144,736,202,520,064,000
- Divisor count
- 20
- σ(n) — sum of divisors
- 1,220,904
- φ(n) — Euler's totient
- 209,984
- Sum of prime factors
- 6,576
Primality
Prime factorization: 2 4 × 5 × 6563
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√525,040 = [724; (1, 1, 2, 10, 1, 5, 36, 1, 95, 1, 1, 1, 3, 2, 6, 3, 3, 21, 1, 160, 15, 11, 5, 1, …)]
Representations
- In words
- five hundred twenty-five thousand forty
- Ordinal
- 525040th
- Binary
- 10000000001011110000
- Octal
- 2001360
- Hexadecimal
- 0x802F0
- Base64
- CALw
- One's complement
- 4,294,442,255 (32-bit)
- Scientific notation
- 5.2504 × 10⁵
- As a duration
- 525,040 s = 6 days, 1 hour, 50 minutes, 40 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φκεμʹ
- Chinese
- 五十二萬五千零四十
- Chinese (financial)
- 伍拾貳萬伍仟零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 525040, here are decompositions:
- 11 + 525029 = 525040
- 23 + 525017 = 525040
- 41 + 524999 = 525040
- 59 + 524981 = 525040
- 71 + 524969 = 525040
- 83 + 524957 = 525040
- 101 + 524939 = 525040
- 107 + 524933 = 525040
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.2.240.
- Address
- 0.8.2.240
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.2.240
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 525,040 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 525040 first appears in π at position 704,456 of the decimal expansion (the 704,456ordinal-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°.