Base | Representation |
---|---|
bin | 1111101000101… |
… | …11111100000000 |
3 | 100010211010110221 |
4 | 13310113330000 |
5 | 232034420143 |
6 | 21003232424 |
7 | 3151632652 |
oct | 764277400 |
9 | 303733427 |
10 | 131170048 |
11 | 68050aa9 |
12 | 37b18714 |
13 | 21238219 |
14 | 135c66d2 |
15 | b7b02ed |
hex | 7d17f00 |
131170048 has 36 divisors (see below), whose sum is σ = 262837960. Its totient is φ = 65332224.
The previous prime is 131170033. The next prime is 131170051. The reversal of 131170048 is 840071131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77758 + ... + 79426.
Almost surely, 2131170048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131170048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131418980).
131170048 is an abundant number, since it is smaller than the sum of its proper divisors (131667912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131170048 is an equidigital number, since it uses as much as digits as its factorization.
131170048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1992 (or 1978 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 25.
The square root of 131170048 is about 11452.9493144779. The cubic root of 131170048 is about 508.0949664357.
The spelling of 131170048 in words is "one hundred thirty-one million, one hundred seventy thousand, forty-eight".
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