Base | Representation |
---|---|
bin | 1010011100110… |
… | …01111101010000 |
3 | 20002221201020011 |
4 | 11032121331100 |
5 | 134420144131 |
6 | 12410524304 |
7 | 2113055362 |
oct | 516317520 |
9 | 202851204 |
10 | 87662416 |
11 | 45535086 |
12 | 25436694 |
13 | 15213c6a |
14 | b8dcd32 |
15 | 7a690b1 |
hex | 5399f50 |
87662416 has 20 divisors (see below), whose sum is σ = 170162100. Its totient is φ = 43749632.
The previous prime is 87662413. The next prime is 87662417. The reversal of 87662416 is 61426678.
It can be written as a sum of positive squares in 2 ways, for example, as 57456400 + 30206016 = 7580^2 + 5496^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87662411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4290 + ... + 13918.
It is an arithmetic number, because the mean of its divisors is an integer number (8508105).
Almost surely, 287662416 is an apocalyptic number.
It is an amenable number.
87662416 is a deficient number, since it is larger than the sum of its proper divisors (82499684).
87662416 is a wasteful number, since it uses less digits than its factorization.
87662416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10206 (or 10200 counting only the distinct ones).
The product of its digits is 96768, while the sum is 40.
The square root of 87662416 is about 9362.8209424297. The cubic root of 87662416 is about 444.2265164554.
The spelling of 87662416 in words is "eighty-seven million, six hundred sixty-two thousand, four hundred sixteen".
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