Base | Representation |
---|---|
bin | 1111110001100… |
… | …0011101011000 |
3 | 11121111022002212 |
4 | 3330120131120 |
5 | 113414113342 |
6 | 10322014252 |
7 | 1432232450 |
oct | 374303530 |
9 | 147438085 |
10 | 66160472 |
11 | 34389384 |
12 | 1a1a7388 |
13 | 10926011 |
14 | 8b02d60 |
15 | 5c1d182 |
hex | 3f18758 |
66160472 has 16 divisors (see below), whose sum is σ = 141772560. Its totient is φ = 28354464.
The previous prime is 66160459. The next prime is 66160487. The reversal of 66160472 is 27406166.
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, 590663 + ... + 590774.
It is an arithmetic number, because the mean of its divisors is an integer number (8860785).
Almost surely, 266160472 is an apocalyptic number.
It is an amenable number.
66160472 is an abundant number, since it is smaller than the sum of its proper divisors (75612088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66160472 is a wasteful number, since it uses less digits than its factorization.
66160472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1181450 (or 1181446 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 66160472 is about 8133.9087774575. The cubic root of 66160472 is about 404.4512651866.
The spelling of 66160472 in words is "sixty-six million, one hundred sixty thousand, four hundred seventy-two".
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