Base | Representation |
---|---|
bin | 1010011010100… |
… | …00011111100000 |
3 | 20002101102110021 |
4 | 11031100133200 |
5 | 134331032004 |
6 | 12400243224 |
7 | 2110363156 |
oct | 515203740 |
9 | 202342407 |
10 | 87361504 |
11 | 45349a9a |
12 | 25310514 |
13 | 15139cc9 |
14 | b8613d6 |
15 | 7a09d54 |
hex | 53507e0 |
87361504 has 24 divisors (see below), whose sum is σ = 182111328. Its totient is φ = 41111040.
The previous prime is 87361489. The next prime is 87361507. The reversal of 87361504 is 40516378.
It is a super-2 number, since 2×873615042 = 15264064762284032, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a self number, because there is not a number n which added to its sum of digits gives 87361504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87361507) 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, 79752 + ... + 80839.
It is an arithmetic number, because the mean of its divisors is an integer number (7587972).
Almost surely, 287361504 is an apocalyptic number.
It is an amenable number.
87361504 is an abundant number, since it is smaller than the sum of its proper divisors (94749824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87361504 is a wasteful number, since it uses less digits than its factorization.
87361504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160618 (or 160610 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 87361504 is about 9346.7376126646. The cubic root of 87361504 is about 443.7176464146.
The spelling of 87361504 in words is "eighty-seven million, three hundred sixty-one thousand, five hundred four".
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