Base | Representation |
---|---|
bin | 1111101001100… |
… | …01111011001110 |
3 | 100011000112111101 |
4 | 13310301323032 |
5 | 232101321434 |
6 | 21005413314 |
7 | 3152555206 |
oct | 764617316 |
9 | 304015441 |
10 | 131276494 |
11 | 68113a78 |
12 | 37b6a23a |
13 | 212747cb |
14 | 13613406 |
15 | b7d1b14 |
hex | 7d31ece |
131276494 has 4 divisors (see below), whose sum is σ = 196914744. Its totient is φ = 65638246.
The previous prime is 131276489. The next prime is 131276503. The reversal of 131276494 is 494672131.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32819122 + ... + 32819125.
It is an arithmetic number, because the mean of its divisors is an integer number (49228686).
Almost surely, 2131276494 is an apocalyptic number.
131276494 is a deficient number, since it is larger than the sum of its proper divisors (65638250).
131276494 is an equidigital number, since it uses as much as digits as its factorization.
131276494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65638249.
The product of its digits is 36288, while the sum is 37.
The square root of 131276494 is about 11457.5954720002. The cubic root of 131276494 is about 508.2323709069.
The spelling of 131276494 in words is "one hundred thirty-one million, two hundred seventy-six thousand, four hundred ninety-four".
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