542,072
542,072 is a composite number, even.
542,072 (five hundred forty-two thousand seventy-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2³ × 67,759. Written other ways, in hexadecimal, 0x84578.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 270,245
- Square (n²)
- 293,842,053,184
- Cube (n³)
- 159,283,549,453,557,248
- Divisor count
- 8
- σ(n) — sum of divisors
- 1,016,400
- φ(n) — Euler's totient
- 271,032
- Sum of prime factors
- 67,765
Primality
Prime factorization: 2 3 × 67759
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√542,072 = [736; (3, 1, 10, 1, 5, 2, 3, 5, 2, 3, 1, 2, 1, 1, 63, 2, 4, 8, 2, 1, 20, 16, 1, 2, …)]
Representations
- In words
- five hundred forty-two thousand seventy-two
- Ordinal
- 542072nd
- Binary
- 10000100010101111000
- Octal
- 2042570
- Hexadecimal
- 0x84578
- Base64
- CEV4
- One's complement
- 4,294,425,223 (32-bit)
- Scientific notation
- 5.42072 × 10⁵
- As a duration
- 542,072 s = 6 days, 6 hours, 34 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φμβοβʹ
- Chinese
- 五十四萬二千零七十二
- Chinese (financial)
- 伍拾肆萬貳仟零柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 542072, here are decompositions:
- 19 + 542053 = 542072
- 73 + 541999 = 542072
- 79 + 541993 = 542072
- 241 + 541831 = 542072
- 313 + 541759 = 542072
- 373 + 541699 = 542072
- 379 + 541693 = 542072
- 523 + 541549 = 542072
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.69.120.
- Address
- 0.8.69.120
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.69.120
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 542,072 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 542072 first appears in π at position 363,121 of the decimal expansion (the 363,121ordinal-suffix:st 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°.