Base | Representation |
---|---|
bin | 1010011001101… |
… | …01111011100000 |
3 | 20002011220012122 |
4 | 11030311323200 |
5 | 134314041304 |
6 | 12354043412 |
7 | 2106431030 |
oct | 514657340 |
9 | 202156178 |
10 | 87252704 |
11 | 45285280 |
12 | 25279568 |
13 | 150cc626 |
14 | b8338c0 |
15 | 79d79be |
hex | 5335ee0 |
87252704 has 96 divisors (see below), whose sum is σ = 226872576. Its totient is φ = 31979520.
The previous prime is 87252703. The next prime is 87252713. The reversal of 87252704 is 40725278.
It is a super-2 number, since 2×872527042 = 15226068710623232, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87252701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40847 + ... + 42929.
It is an arithmetic number, because the mean of its divisors is an integer number (2363256).
Almost surely, 287252704 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 87252704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113436288).
87252704 is an abundant number, since it is smaller than the sum of its proper divisors (139619872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87252704 is a wasteful number, since it uses less digits than its factorization.
87252704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2128 (or 2120 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 35.
The square root of 87252704 is about 9340.9155868148. The cubic root of 87252704 is about 443.5333679366.
The spelling of 87252704 in words is "eighty-seven million, two hundred fifty-two thousand, seven hundred four".
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