Base | Representation |
---|---|
bin | 1111101001010… |
… | …01001001111100 |
3 | 100010221201012221 |
4 | 13310221021330 |
5 | 232044144242 |
6 | 21004535124 |
7 | 3152345401 |
oct | 764511174 |
9 | 303851187 |
10 | 131240572 |
11 | 68099a91 |
12 | 37b514a4 |
13 | 21261358 |
14 | 136042a8 |
15 | b7c6167 |
hex | 7d2927c |
131240572 has 6 divisors (see below), whose sum is σ = 229671008. Its totient is φ = 65620284.
The previous prime is 131240569. The next prime is 131240609. The reversal of 131240572 is 275042131.
It is a happy number.
131240572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16405068 + ... + 16405075.
Almost surely, 2131240572 is an apocalyptic number.
It is an amenable number.
131240572 is a deficient number, since it is larger than the sum of its proper divisors (98430436).
131240572 is a wasteful number, since it uses less digits than its factorization.
131240572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32810147 (or 32810145 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 131240572 is about 11456.0277583463. The cubic root of 131240572 is about 508.1860097543.
The spelling of 131240572 in words is "one hundred thirty-one million, two hundred forty thousand, five hundred seventy-two".
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