Base | Representation |
---|---|
bin | 1111101101111… |
… | …11001011001100 |
3 | 100012002221010110 |
4 | 13312333023030 |
5 | 232223330202 |
6 | 21030040020 |
7 | 3160515030 |
oct | 766771314 |
9 | 305087113 |
10 | 131855052 |
11 | 6847971a |
12 | 381a9010 |
13 | 21417c54 |
14 | 137241c0 |
15 | b89826c |
hex | 7dbf2cc |
131855052 has 24 divisors (see below), whose sum is σ = 351613696. Its totient is φ = 37672848.
The previous prime is 131855039. The next prime is 131855081. The reversal of 131855052 is 250558131.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784768 + ... + 784935.
Almost surely, 2131855052 is an apocalyptic number.
131855052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131855052 is an abundant number, since it is smaller than the sum of its proper divisors (219758644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131855052 is a wasteful number, since it uses less digits than its factorization.
131855052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1569717 (or 1569715 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 30.
The square root of 131855052 is about 11482.8155084021. The cubic root of 131855052 is about 508.9778991308.
The spelling of 131855052 in words is "one hundred thirty-one million, eight hundred fifty-five thousand, fifty-two".
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