542,242
542,242 is a composite number, even.
542,242 (five hundred forty-two thousand two hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 29 × 9,349. Written other ways, in hexadecimal, 0x84622.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 640
- Digital root
- 1
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 242,245
- Square (n²)
- 294,026,386,564
- Cube (n³)
- 159,433,455,903,236,488
- Divisor count
- 8
- σ(n) — sum of divisors
- 841,500
- φ(n) — Euler's totient
- 261,744
- Sum of prime factors
- 9,380
Primality
Prime factorization: 2 × 29 × 9349
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√542,242 = [736; (2, 1, 2, 3, 2, 1, 2, 5, 1, 2, 1, 5, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, …)]
Representations
- In words
- five hundred forty-two thousand two hundred forty-two
- Ordinal
- 542242nd
- Binary
- 10000100011000100010
- Octal
- 2043042
- Hexadecimal
- 0x84622
- Base64
- CEYi
- One's complement
- 4,294,425,053 (32-bit)
- Scientific notation
- 5.42242 × 10⁵
- As a duration
- 542,242 s = 6 days, 6 hours, 37 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φμβσμβʹ
- Chinese
- 五十四萬二千二百四十二
- Chinese (financial)
- 伍拾肆萬貳仟貳佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 542242, here are decompositions:
- 5 + 542237 = 542242
- 23 + 542219 = 542242
- 53 + 542189 = 542242
- 59 + 542183 = 542242
- 89 + 542153 = 542242
- 101 + 542141 = 542242
- 131 + 542111 = 542242
- 149 + 542093 = 542242
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.70.34.
- Address
- 0.8.70.34
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.70.34
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 542,242 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 542242 first appears in π at position 597,127 of the decimal expansion (the 597,127ordinal-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°.