148,688
148,688 is a composite number, even.
148,688 (one hundred forty-eight thousand six hundred eighty-eight) is an even 6-digit number. It is a composite number with 10 divisors, and factors as 2⁴ × 9,293. Written other ways, in hexadecimal, 0x244D0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 35
- Digit product
- 12,288
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 886,841
- Recamán's sequence
- a(42,996) = 148,688
- Square (n²)
- 22,108,121,344
- Cube (n³)
- 3,287,212,346,396,672
- Divisor count
- 10
- σ(n) — sum of divisors
- 288,114
- φ(n) — Euler's totient
- 74,336
- Sum of prime factors
- 9,301
Primality
Prime factorization: 2 4 × 9293
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,688 = [385; (1, 1, 1, 1, 47, 1, 1, 1, 1, 770)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-eight thousand six hundred eighty-eight
- Ordinal
- 148688th
- Binary
- 100100010011010000
- Octal
- 442320
- Hexadecimal
- 0x244D0
- Base64
- AkTQ
- One's complement
- 4,294,818,607 (32-bit)
- Scientific notation
- 1.48688 × 10⁵
- As a duration
- 148,688 s = 1 day, 17 hours, 18 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμηχπηʹ
- Mayan (base 20)
- 𝋲·𝋫·𝋮·𝋨
- Chinese
- 一十四萬八千六百八十八
- Chinese (financial)
- 壹拾肆萬捌仟陸佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148688, here are decompositions:
- 19 + 148669 = 148688
- 61 + 148627 = 148688
- 79 + 148609 = 148688
- 109 + 148579 = 148688
- 139 + 148549 = 148688
- 151 + 148537 = 148688
- 157 + 148531 = 148688
- 277 + 148411 = 148688
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 93 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.68.208.
- Address
- 0.2.68.208
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.68.208
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 148,688 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 148688 first appears in π at position 462,019 of the decimal expansion (the 462,019ordinal-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.