Base | Representation |
---|---|
bin | 1010011110111… |
… | …01011101010100 |
3 | 20010110202111022 |
4 | 11033131131110 |
5 | 140003021100 |
6 | 12420500312 |
7 | 2115316430 |
oct | 517353524 |
9 | 203422438 |
10 | 87938900 |
11 | 45703885 |
12 | 2554a698 |
13 | 152aca6a |
14 | b9719c0 |
15 | 7ac0e85 |
hex | 53dd754 |
87938900 has 36 divisors (see below), whose sum is σ = 218090208. Its totient is φ = 30150240.
The previous prime is 87938887. The next prime is 87938923. The reversal of 87938900 is 983978.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62114 + ... + 63513.
Almost surely, 287938900 is an apocalyptic number.
It is an amenable number.
87938900 is an abundant number, since it is smaller than the sum of its proper divisors (130151308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87938900 is a wasteful number, since it uses less digits than its factorization.
87938900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125648 (or 125641 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 44.
The square root of 87938900 is about 9377.5743132219. The cubic root of 87938900 is about 444.6930509587.
The spelling of 87938900 in words is "eighty-seven million, nine hundred thirty-eight thousand, nine hundred".
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