Base | Representation |
---|---|
bin | 1111100111110… |
… | …11111101110010 |
3 | 100010121022022110 |
4 | 13303323331302 |
5 | 232022233344 |
6 | 21000550150 |
7 | 3150644634 |
oct | 763737562 |
9 | 303538273 |
10 | 131055474 |
11 | 67a82a10 |
12 | 37a82356 |
13 | 211c8024 |
14 | 13596a54 |
15 | b78b3b9 |
hex | 7cfbf72 |
131055474 has 16 divisors (see below), whose sum is σ = 285939360. Its totient is φ = 39713760.
The previous prime is 131055469. The next prime is 131055481. The reversal of 131055474 is 474550131.
It is a Curzon number.
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, 992779 + ... + 992910.
It is an arithmetic number, because the mean of its divisors is an integer number (17871210).
Almost surely, 2131055474 is an apocalyptic number.
131055474 is an abundant number, since it is smaller than the sum of its proper divisors (154883886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131055474 is a wasteful number, since it uses less digits than its factorization.
131055474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1985705.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 131055474 is about 11447.9462786999. The cubic root of 131055474 is about 507.9469869453.
The spelling of 131055474 in words is "one hundred thirty-one million, fifty-five thousand, four hundred seventy-four".
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