Base | Representation |
---|---|
bin | 1111101010111… |
… | …11111010101011 |
3 | 100011101002220110 |
4 | 13311133322223 |
5 | 232123334000 |
6 | 21013425403 |
7 | 3154301343 |
oct | 765377253 |
9 | 304332813 |
10 | 131464875 |
11 | 68232563 |
12 | 3803b263 |
13 | 2130c489 |
14 | 13661d23 |
15 | b81c850 |
hex | 7d5feab |
131464875 has 32 divisors (see below), whose sum is σ = 223441920. Its totient is φ = 68613600.
The previous prime is 131464871. The next prime is 131464877. The reversal of 131464875 is 578464131.
It is not a de Polignac number, because 131464875 - 22 = 131464871 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131464871) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13896 + ... + 21354.
It is an arithmetic number, because the mean of its divisors is an integer number (6982560).
Almost surely, 2131464875 is an apocalyptic number.
131464875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131464875 is a deficient number, since it is larger than the sum of its proper divisors (91977045).
131464875 is an equidigital number, since it uses as much as digits as its factorization.
131464875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7524 (or 7514 counting only the distinct ones).
The product of its digits is 80640, while the sum is 39.
The square root of 131464875 is about 11465.8133161150. The cubic root of 131464875 is about 508.4753582074.
The spelling of 131464875 in words is "one hundred thirty-one million, four hundred sixty-four thousand, eight hundred seventy-five".
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