Base | Representation |
---|---|
bin | 1111101101001… |
… | …10111000000101 |
3 | 100011220212121021 |
4 | 13312212320011 |
5 | 232212134100 |
6 | 21023551141 |
7 | 3156621616 |
oct | 766467005 |
9 | 304825537 |
10 | 131755525 |
11 | 68410970 |
12 | 3815b4b1 |
13 | 213b1865 |
14 | 136d9c0d |
15 | b878a1a |
hex | 7da6e05 |
131755525 has 24 divisors (see below), whose sum is σ = 188720064. Its totient is φ = 90182400.
The previous prime is 131755517. The next prime is 131755537. The reversal of 131755525 is 525557131.
It is not a de Polignac number, because 131755525 - 23 = 131755517 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9417 + ... + 18766.
It is an arithmetic number, because the mean of its divisors is an integer number (7863336).
Almost surely, 2131755525 is an apocalyptic number.
It is an amenable number.
131755525 is a deficient number, since it is larger than the sum of its proper divisors (56964539).
131755525 is a wasteful number, since it uses less digits than its factorization.
131755525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28221 (or 28216 counting only the distinct ones).
The product of its digits is 26250, while the sum is 34.
The square root of 131755525 is about 11478.4809535060. The cubic root of 131755525 is about 508.8498044450.
The spelling of 131755525 in words is "one hundred thirty-one million, seven hundred fifty-five thousand, five hundred twenty-five".
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