542,472
542,472 is a composite number, even.
542,472 (five hundred forty-two thousand four hundred seventy-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 3 × 7 × 3,229. Its proper divisors sum to 1,007,928, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x84708.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 2,240
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 274,245
- Square (n²)
- 294,275,870,784
- Cube (n³)
- 159,636,420,175,938,048
- Divisor count
- 32
- σ(n) — sum of divisors
- 1,550,400
- φ(n) — Euler's totient
- 154,944
- Sum of prime factors
- 3,245
Primality
Prime factorization: 2 3 × 3 × 7 × 3229
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√542,472 = [736; (1, 1, 8, 1, 3, 4, 8, 1, 2, 1, 20, 1, 11, 2, 2, 1, 4, 2, 2, 1, 1, 1, 1, 1, …)]
Period length 56 — the block in parentheses repeats forever.
Representations
- In words
- five hundred forty-two thousand four hundred seventy-two
- Ordinal
- 542472nd
- Binary
- 10000100011100001000
- Octal
- 2043410
- Hexadecimal
- 0x84708
- Base64
- CEcI
- One's complement
- 4,294,424,823 (32-bit)
- Scientific notation
- 5.42472 × 10⁵
- As a duration
- 542,472 s = 6 days, 6 hours, 41 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φμβυοβʹ
- Chinese
- 五十四萬二千四百七十二
- Chinese (financial)
- 伍拾肆萬貳仟肆佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 542472, here are decompositions:
- 5 + 542467 = 542472
- 11 + 542461 = 542472
- 31 + 542441 = 542472
- 71 + 542401 = 542472
- 101 + 542371 = 542472
- 149 + 542323 = 542472
- 173 + 542299 = 542472
- 179 + 542293 = 542472
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.71.8.
- Address
- 0.8.71.8
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.71.8
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 542,472 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 542472 first appears in π at position 348,597 of the decimal expansion (the 348,597ordinal-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°.