148,572
148,572 is a composite number, even.
148,572 (one hundred forty-eight thousand five hundred seventy-two) is an even 6-digit number. It is a composite number with 18 divisors, and factors as 2² × 3² × 4,127. Its proper divisors sum to 227,076, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2445C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 2,240
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 275,841
- Recamán's sequence
- a(42,764) = 148,572
- Square (n²)
- 22,073,639,184
- Cube (n³)
- 3,279,524,720,845,248
- Divisor count
- 18
- σ(n) — sum of divisors
- 375,648
- φ(n) — Euler's totient
- 49,512
- Sum of prime factors
- 4,137
Primality
Prime factorization: 2 2 × 3 2 × 4127
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,572 = [385; (2, 4, 1, 1, 5, 1, 12, 1, 11, 3, 4, 5, 2, 3, 2, 10, 3, 1, 2, 2, 1, 5, 10, 1, …)]
Representations
- In words
- one hundred forty-eight thousand five hundred seventy-two
- Ordinal
- 148572nd
- Binary
- 100100010001011100
- Octal
- 442134
- Hexadecimal
- 0x2445C
- Base64
- AkRc
- One's complement
- 4,294,818,723 (32-bit)
- Scientific notation
- 1.48572 × 10⁵
- As a duration
- 148,572 s = 1 day, 17 hours, 16 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμηφοβʹ
- Mayan (base 20)
- 𝋲·𝋫·𝋨·𝋬
- Chinese
- 一十四萬八千五百七十二
- Chinese (financial)
- 壹拾肆萬捌仟伍佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148572, here are decompositions:
- 23 + 148549 = 148572
- 41 + 148531 = 148572
- 59 + 148513 = 148572
- 71 + 148501 = 148572
- 89 + 148483 = 148572
- 101 + 148471 = 148572
- 103 + 148469 = 148572
- 173 + 148399 = 148572
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 91 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.68.92.
- Address
- 0.2.68.92
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.68.92
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 148,572 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 148572 first appears in π at position 240,317 of the decimal expansion (the 240,317ordinal-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°.