Base | Representation |
---|---|
bin | 1010011001100… |
… | …00111110000100 |
3 | 20002010212100012 |
4 | 11030300332010 |
5 | 134312414023 |
6 | 12353405352 |
7 | 2106314555 |
oct | 514607604 |
9 | 202125305 |
10 | 87232388 |
11 | 45270a91 |
12 | 25269858 |
13 | 150c32c9 |
14 | b82a32c |
15 | 79d1978 |
hex | 5330f84 |
87232388 has 24 divisors (see below), whose sum is σ = 158425344. Its totient is φ = 41983200.
The previous prime is 87232361. The next prime is 87232417. The reversal of 87232388 is 88323278.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
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, 22643 + ... + 26213.
It is an arithmetic number, because the mean of its divisors is an integer number (6601056).
Almost surely, 287232388 is an apocalyptic number.
It is an amenable number.
87232388 is a deficient number, since it is larger than the sum of its proper divisors (71192956).
87232388 is a wasteful number, since it uses less digits than its factorization.
87232388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3803 (or 3801 counting only the distinct ones).
The product of its digits is 129024, while the sum is 41.
The square root of 87232388 is about 9339.8280498091. The cubic root of 87232388 is about 443.4989410251.
It can be divided in two parts, 8723 and 2388, that added together give a palindrome (11111).
The spelling of 87232388 in words is "eighty-seven million, two hundred thirty-two thousand, three hundred eighty-eight".
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