Base | Representation |
---|---|
bin | 1111101000100… |
… | …10010010101101 |
3 | 100010202221202112 |
4 | 13310102102231 |
5 | 232033200200 |
6 | 21002533405 |
7 | 3151505360 |
oct | 764222255 |
9 | 303687675 |
10 | 131146925 |
11 | 68035698 |
12 | 37b07265 |
13 | 2122a840 |
14 | 135bc0d7 |
15 | b7a8535 |
hex | 7d124ad |
131146925 has 48 divisors (see below), whose sum is σ = 211986432. Its totient is φ = 78105600.
The previous prime is 131146919. The next prime is 131146979. The reversal of 131146925 is 529641131.
It is not a de Polignac number, because 131146925 - 216 = 131081389 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131146891 and 131146900.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36980 + ... + 40370.
It is an arithmetic number, because the mean of its divisors is an integer number (4416384).
Almost surely, 2131146925 is an apocalyptic number.
It is an amenable number.
131146925 is a deficient number, since it is larger than the sum of its proper divisors (80839507).
131146925 is a wasteful number, since it uses less digits than its factorization.
131146925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3438 (or 3433 counting only the distinct ones).
The product of its digits is 6480, while the sum is 32.
The square root of 131146925 is about 11451.9397920178. The cubic root of 131146925 is about 508.0651085768.
The spelling of 131146925 in words is "one hundred thirty-one million, one hundred forty-six thousand, nine hundred twenty-five".
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