149,724
149,724 is a composite number, even.
149,724 (one hundred forty-nine thousand seven hundred twenty-four) is an even 6-digit number. It is a composite number with 18 divisors, and factors as 2² × 3² × 4,159. Its proper divisors sum to 228,836, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x248DC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 2,016
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 427,941
- Square (n²)
- 22,417,276,176
- Cube (n³)
- 3,356,404,258,175,424
- Divisor count
- 18
- σ(n) — sum of divisors
- 378,560
- φ(n) — Euler's totient
- 49,896
- Sum of prime factors
- 4,169
Primality
Prime factorization: 2 2 × 3 2 × 4159
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√149,724 = [386; (1, 16, 5, 30, 1, 3, 7, 1, 8, 2, 4, 19, 8, 10, 1, 1, 1, 1, 1, 18, 1, 2, 1, 1, …)]
Representations
- In words
- one hundred forty-nine thousand seven hundred twenty-four
- Ordinal
- 149724th
- Binary
- 100100100011011100
- Octal
- 444334
- Hexadecimal
- 0x248DC
- Base64
- Akjc
- One's complement
- 4,294,817,571 (32-bit)
- Scientific notation
- 1.49724 × 10⁵
- As a duration
- 149,724 s = 1 day, 17 hours, 35 minutes, 24 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμθψκδʹ
- Mayan (base 20)
- 𝋲·𝋮·𝋦·𝋤
- Chinese
- 一十四萬九千七百二十四
- Chinese (financial)
- 壹拾肆萬玖仟柒佰貳拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 149724, here are decompositions:
- 7 + 149717 = 149724
- 11 + 149713 = 149724
- 13 + 149711 = 149724
- 97 + 149627 = 149724
- 101 + 149623 = 149724
- 163 + 149561 = 149724
- 173 + 149551 = 149724
- 181 + 149543 = 149724
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 A3 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.72.220.
- Address
- 0.2.72.220
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.72.220
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 149,724 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 149724 first appears in π at position 789,251 of the decimal expansion (the 789,251ordinal-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°.