Base | Representation |
---|---|
bin | 1010011111010… |
… | …11000000011000 |
3 | 20010120120121120 |
4 | 11033223000120 |
5 | 140011310032 |
6 | 12422005240 |
7 | 2115640263 |
oct | 517530030 |
9 | 203516546 |
10 | 87994392 |
11 | 45741542 |
12 | 25576820 |
13 | 152cc0b5 |
14 | b987cda |
15 | 7ad262c |
hex | 53eb018 |
87994392 has 32 divisors (see below), whose sum is σ = 222010800. Its totient is φ = 29061504.
The previous prime is 87994373. The next prime is 87994411. The reversal of 87994392 is 29349978.
It is an interprime number because it is at equal distance from previous prime (87994373) and next prime (87994411).
It is a congruent 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, 14203 + ... + 19434.
Almost surely, 287994392 is an apocalyptic number.
It is an amenable number.
87994392 is an abundant number, since it is smaller than the sum of its proper divisors (134016408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87994392 is a wasteful number, since it uses less digits than its factorization.
87994392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33755 (or 33751 counting only the distinct ones).
The product of its digits is 979776, while the sum is 51.
The square root of 87994392 is about 9380.5326074802. The cubic root of 87994392 is about 444.7865693674.
The spelling of 87994392 in words is "eighty-seven million, nine hundred ninety-four thousand, three hundred ninety-two".
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