148,490
148,490 is a composite number, even.
148,490 (one hundred forty-eight thousand four hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 31 × 479. Written other ways, in hexadecimal, 0x2440A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 94,841
- Recamán's sequence
- a(480,711) = 148,490
- Square (n²)
- 22,049,280,100
- Cube (n³)
- 3,274,097,602,049,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 276,480
- φ(n) — Euler's totient
- 57,360
- Sum of prime factors
- 517
Primality
Prime factorization: 2 × 5 × 31 × 479
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,490 = [385; (2, 1, 9, 1, 2, 1, 28, 1, 8, 1, 3, 1, 2, 1, 8, 4, 2, 4, 8, 1, 2, 1, 3, 1, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-eight thousand four hundred ninety
- Ordinal
- 148490th
- Binary
- 100100010000001010
- Octal
- 442012
- Hexadecimal
- 0x2440A
- Base64
- AkQK
- One's complement
- 4,294,818,805 (32-bit)
- Scientific notation
- 1.4849 × 10⁵
- As a duration
- 148,490 s = 1 day, 17 hours, 14 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρμηυϟʹ
- Mayan (base 20)
- 𝋲·𝋫·𝋤·𝋪
- Chinese
- 一十四萬八千四百九十
- Chinese (financial)
- 壹拾肆萬捌仟肆佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148490, here are decompositions:
- 7 + 148483 = 148490
- 19 + 148471 = 148490
- 61 + 148429 = 148490
- 79 + 148411 = 148490
- 103 + 148387 = 148490
- 109 + 148381 = 148490
- 151 + 148339 = 148490
- 211 + 148279 = 148490
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 90 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.68.10.
- Address
- 0.2.68.10
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.68.10
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 148,490 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 148490 first appears in π at position 187,509 of the decimal expansion (the 187,509ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.