Base | Representation |
---|---|
bin | 1010011000100… |
… | …10010111111000 |
3 | 20001220111102120 |
4 | 11030102113320 |
5 | 134244411224 |
6 | 12351001240 |
7 | 2105253312 |
oct | 514222770 |
9 | 201814376 |
10 | 87107064 |
11 | 45195910 |
12 | 25209220 |
13 | 1507b255 |
14 | b7d67b2 |
15 | 79a9779 |
hex | 53125f8 |
87107064 has 32 divisors (see below), whose sum is σ = 237565440. Its totient is φ = 26396000.
The previous prime is 87107047. The next prime is 87107071. The reversal of 87107064 is 46070178.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164712 + ... + 165239.
It is an arithmetic number, because the mean of its divisors is an integer number (7423920).
Almost surely, 287107064 is an apocalyptic number.
It is an amenable number.
87107064 is an abundant number, since it is smaller than the sum of its proper divisors (150458376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87107064 is a wasteful number, since it uses less digits than its factorization.
87107064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329971 (or 329967 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 33.
The square root of 87107064 is about 9333.1165212913. The cubic root of 87107064 is about 443.2864522885.
The spelling of 87107064 in words is "eighty-seven million, one hundred seven thousand, sixty-four".
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