Base | Representation |
---|---|
bin | 1111101001101… |
… | …10110000000100 |
3 | 100011001112121110 |
4 | 13310312300010 |
5 | 232102440020 |
6 | 21010045020 |
7 | 3152666634 |
oct | 764666004 |
9 | 304045543 |
10 | 131296260 |
11 | 68127907 |
12 | 37b79770 |
13 | 212807c4 |
14 | 1361a6c4 |
15 | b7d78e0 |
hex | 7d36c04 |
131296260 has 24 divisors (see below), whose sum is σ = 367629696. Its totient is φ = 35012320.
The previous prime is 131296247. The next prime is 131296331. The reversal of 131296260 is 62692131.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094076 + ... + 1094195.
It is an arithmetic number, because the mean of its divisors is an integer number (15317904).
Almost surely, 2131296260 is an apocalyptic number.
131296260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131296260 is an abundant number, since it is smaller than the sum of its proper divisors (236333436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131296260 is a wasteful number, since it uses less digits than its factorization.
131296260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2188283 (or 2188281 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 131296260 is about 11458.4580114429. The cubic root of 131296260 is about 508.2578774202.
The spelling of 131296260 in words is "one hundred thirty-one million, two hundred ninety-six thousand, two hundred sixty".
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