Base | Representation |
---|---|
bin | 1010011011000… |
… | …00010111011101 |
3 | 20002111201122110 |
4 | 11031200113131 |
5 | 134340122100 |
6 | 12401504233 |
7 | 2111053554 |
oct | 515402735 |
9 | 202451573 |
10 | 87426525 |
11 | 4539392a |
12 | 25342079 |
13 | 15160794 |
14 | b87ad9b |
15 | 7a1e250 |
hex | 53605dd |
87426525 has 24 divisors (see below), whose sum is σ = 147912160. Its totient is φ = 45541440.
The previous prime is 87426499. The next prime is 87426527. The reversal of 87426525 is 52562478.
It is not a de Polignac number, because 87426525 - 27 = 87426397 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87426527) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10330 + ... + 16779.
Almost surely, 287426525 is an apocalyptic number.
It is an amenable number.
87426525 is a deficient number, since it is larger than the sum of its proper divisors (60485635).
87426525 is a wasteful number, since it uses less digits than its factorization.
87426525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27165 (or 27160 counting only the distinct ones).
The product of its digits is 134400, while the sum is 39.
The square root of 87426525 is about 9350.2152381643. The cubic root of 87426525 is about 443.8277017938.
The spelling of 87426525 in words is "eighty-seven million, four hundred twenty-six thousand, five hundred twenty-five".
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