Base | Representation |
---|---|
bin | 1001010011110… |
… | …01110100111110 |
3 | 12102221120022200 |
4 | 10221321310332 |
5 | 124442444010 |
6 | 11425452330 |
7 | 1635533136 |
oct | 451716476 |
9 | 172846280 |
10 | 78093630 |
11 | 4009999a |
12 | 221a10a6 |
13 | 13243764 |
14 | a52bac6 |
15 | 6cc8cc0 |
hex | 4a79d3e |
78093630 has 48 divisors (see below), whose sum is σ = 203911344. Its totient is φ = 20736000.
The previous prime is 78093611. The next prime is 78093641. The reversal of 78093630 is 3639087.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20862 + ... + 24318.
It is an arithmetic number, because the mean of its divisors is an integer number (4248153).
Almost surely, 278093630 is an apocalyptic number.
78093630 is an abundant number, since it is smaller than the sum of its proper divisors (125817714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78093630 is a wasteful number, since it uses less digits than its factorization.
78093630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3721 (or 3718 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 78093630 is about 8837.0600314811. The cubic root of 78093630 is about 427.4367609339.
The spelling of 78093630 in words is "seventy-eight million, ninety-three thousand, six hundred thirty".
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