Base | Representation |
---|---|
bin | 1000111001100… |
… | …00000111001000 |
3 | 12012110102000012 |
4 | 10130300013020 |
5 | 123102132320 |
6 | 11223531052 |
7 | 1564323464 |
oct | 434600710 |
9 | 165412005 |
10 | 74645960 |
11 | 39154684 |
12 | 20bb9a88 |
13 | 1260740c |
14 | 9cb14a4 |
15 | 68474c5 |
hex | 47301c8 |
74645960 has 32 divisors (see below), whose sum is σ = 168584760. Its totient is φ = 29746176.
The previous prime is 74645959. The next prime is 74645981. The reversal of 74645960 is 6954647.
It can be written as a sum of positive squares in 4 ways, for example, as 48246916 + 26399044 = 6946^2 + 5138^2 .
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, 7712 + ... + 14448.
Almost surely, 274645960 is an apocalyptic number.
It is an amenable number.
74645960 is an abundant number, since it is smaller than the sum of its proper divisors (93938800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74645960 is a wasteful number, since it uses less digits than its factorization.
74645960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7025 (or 7021 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 41.
The square root of 74645960 is about 8639.7893492839. The cubic root of 74645960 is about 421.0517104256.
The spelling of 74645960 in words is "seventy-four million, six hundred forty-five thousand, nine hundred sixty".
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