Base | Representation |
---|---|
bin | 1111101101001… |
… | …10000011001001 |
3 | 100011220200221210 |
4 | 13312212003021 |
5 | 232212032022 |
6 | 21023523333 |
7 | 3156606006 |
oct | 766460311 |
9 | 304820853 |
10 | 131752137 |
11 | 68409370 |
12 | 38159549 |
13 | 213b015a |
14 | 136d88ad |
15 | b877a0c |
hex | 7da60c9 |
131752137 has 16 divisors (see below), whose sum is σ = 201726720. Its totient is φ = 75646800.
The previous prime is 131752109. The next prime is 131752151. The reversal of 131752137 is 731257131.
It is not a de Polignac number, because 131752137 - 211 = 131750089 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131752337) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104439 + ... + 105692.
It is an arithmetic number, because the mean of its divisors is an integer number (12607920).
Almost surely, 2131752137 is an apocalyptic number.
It is an amenable number.
131752137 is a deficient number, since it is larger than the sum of its proper divisors (69974583).
131752137 is a wasteful number, since it uses less digits than its factorization.
131752137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210164.
The product of its digits is 4410, while the sum is 30.
The square root of 131752137 is about 11478.3333720536. Note that the first 4 decimals coincide. The cubic root of 131752137 is about 508.8454428369.
The spelling of 131752137 in words is "one hundred thirty-one million, seven hundred fifty-two thousand, one hundred thirty-seven".
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