Base | Representation |
---|---|
bin | 1111110001100… |
… | …0011011000101 |
3 | 11121111021220102 |
4 | 3330120123011 |
5 | 113414112300 |
6 | 10322013445 |
7 | 1432232150 |
oct | 374303305 |
9 | 147437812 |
10 | 66160325 |
11 | 34389260 |
12 | 1a1a7285 |
13 | 10925c2a |
14 | 8b02c97 |
15 | 5c1d0d5 |
hex | 3f186c5 |
66160325 has 24 divisors (see below), whose sum is σ = 102285120. Its totient is φ = 41241600.
The previous prime is 66160313. The next prime is 66160327. The reversal of 66160325 is 52306166.
It is not a de Polignac number, because 66160325 - 28 = 66160069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66160327) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15260 + ... + 19109.
It is an arithmetic number, because the mean of its divisors is an integer number (4261880).
Almost surely, 266160325 is an apocalyptic number.
It is an amenable number.
66160325 is a deficient number, since it is larger than the sum of its proper divisors (36124795).
66160325 is a wasteful number, since it uses less digits than its factorization.
66160325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34397 (or 34392 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 29.
The square root of 66160325 is about 8133.8997412066. The cubic root of 66160325 is about 404.4509656403.
The spelling of 66160325 in words is "sixty-six million, one hundred sixty thousand, three hundred twenty-five".
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