Base | Representation |
---|---|
bin | 1010011100010… |
… | …01001011000000 |
3 | 20002211012220210 |
4 | 11032021023000 |
5 | 134410444124 |
6 | 12405234120 |
7 | 2112351054 |
oct | 516111300 |
9 | 202735823 |
10 | 87593664 |
11 | 45498464 |
12 | 25402940 |
13 | 151bb892 |
14 | b8c1c64 |
15 | 7a53a29 |
hex | 53892c0 |
87593664 has 56 divisors (see below), whose sum is σ = 234104688. Its totient is φ = 28902400.
The previous prime is 87593651. The next prime is 87593713. The reversal of 87593664 is 46639578.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a cake number, because a cake can be divided into 87593664 parts by 807 planar cuts.
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, 17134 + ... + 21650.
Almost surely, 287593664 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87593664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117052344).
87593664 is an abundant number, since it is smaller than the sum of its proper divisors (146511024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87593664 is a wasteful number, since it uses less digits than its factorization.
87593664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4633 (or 4623 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 48.
The square root of 87593664 is about 9359.1486792336. The cubic root of 87593664 is about 444.1103532211.
The spelling of 87593664 in words is "eighty-seven million, five hundred ninety-three thousand, six hundred sixty-four".
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