542,748
542,748 is a composite number, even.
542,748 (five hundred forty-two thousand seven hundred forty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 31 × 1,459. Its proper divisors sum to 765,412, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x8481C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 8,960
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 847,245
- Square (n²)
- 294,575,391,504
- Cube (n³)
- 159,880,204,588,012,992
- Divisor count
- 24
- σ(n) — sum of divisors
- 1,308,160
- φ(n) — Euler's totient
- 174,960
- Sum of prime factors
- 1,497
Primality
Prime factorization: 2 2 × 3 × 31 × 1459
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√542,748 = [736; (1, 2, 1, 1, 490, 1, 1, 2, 1, 1472)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- five hundred forty-two thousand seven hundred forty-eight
- Ordinal
- 542748th
- Binary
- 10000100100000011100
- Octal
- 2044034
- Hexadecimal
- 0x8481C
- Base64
- CEgc
- One's complement
- 4,294,424,547 (32-bit)
- Scientific notation
- 5.42748 × 10⁵
- As a duration
- 542,748 s = 6 days, 6 hours, 45 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵φμβψμηʹ
- Chinese
- 五十四萬二千七百四十八
- Chinese (financial)
- 伍拾肆萬貳仟柒佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 542748, here are decompositions:
- 29 + 542719 = 542748
- 61 + 542687 = 542748
- 149 + 542599 = 542748
- 181 + 542567 = 542748
- 191 + 542557 = 542748
- 197 + 542551 = 542748
- 211 + 542537 = 542748
- 229 + 542519 = 542748
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.72.28.
- Address
- 0.8.72.28
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.72.28
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 542,748 and was likely granted around 1895.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 542748 first appears in π at position 196,283 of the decimal expansion (the 196,283ordinal-suffix:rd 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°.