540,720
540,720 is a composite number, even.
540,720 (five hundred forty thousand seven hundred twenty) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 3² × 5 × 751. Its proper divisors sum to 1,277,616, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x84030.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 27,045
- Square (n²)
- 292,378,118,400
- Cube (n³)
- 158,094,696,181,248,000
- Divisor count
- 60
- σ(n) — sum of divisors
- 1,818,336
- φ(n) — Euler's totient
- 144,000
- Sum of prime factors
- 770
Primality
Prime factorization: 2 4 × 3 2 × 5 × 751
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√540,720 = [735; (2, 1, 32, 1, 3, 7, 1, 11, 3, 1, 1, 1, 2, 2, 1, 162, 1, 2, 2, 1, 1, 1, 3, 11, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- five hundred forty thousand seven hundred twenty
- Ordinal
- 540720th
- Binary
- 10000100000000110000
- Octal
- 2040060
- Hexadecimal
- 0x84030
- Base64
- CEAw
- One's complement
- 4,294,426,575 (32-bit)
- Scientific notation
- 5.4072 × 10⁵
- As a duration
- 540,720 s = 6 days, 6 hours, 12 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋 𒌋𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵φμψκʹ
- Chinese
- 五十四萬零七百二十
- Chinese (financial)
- 伍拾肆萬零柒佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 540720, here are decompositions:
- 7 + 540713 = 540720
- 17 + 540703 = 540720
- 23 + 540697 = 540720
- 29 + 540691 = 540720
- 31 + 540689 = 540720
- 41 + 540679 = 540720
- 43 + 540677 = 540720
- 101 + 540619 = 540720
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.64.48.
- Address
- 0.8.64.48
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.64.48
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 540,720 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 540720 first appears in π at position 423,079 of the decimal expansion (the 423,079ordinal-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°.