Base | Representation |
---|---|
bin | 1010011000011… |
… | …01000111010111 |
3 | 20001212101212220 |
4 | 11030031013113 |
5 | 134243214102 |
6 | 12350313423 |
7 | 2105133444 |
oct | 514150727 |
9 | 201771786 |
10 | 87085527 |
11 | 45180711 |
12 | 251b8873 |
13 | 150714c9 |
14 | b7cc9cb |
15 | 79a31bc |
hex | 530d1d7 |
87085527 has 8 divisors (see below), whose sum is σ = 116289264. Its totient is φ = 57969408.
The previous prime is 87085459. The next prime is 87085561. The reversal of 87085527 is 72558078.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87085527 - 27 = 87085399 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87085027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19548 + ... + 23585.
It is an arithmetic number, because the mean of its divisors is an integer number (14536158).
Almost surely, 287085527 is an apocalyptic number.
87085527 is a deficient number, since it is larger than the sum of its proper divisors (29203737).
87085527 is a wasteful number, since it uses less digits than its factorization.
87085527 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43809.
The product of its (nonzero) digits is 156800, while the sum is 42.
The square root of 87085527 is about 9331.9626553046. The cubic root of 87085527 is about 443.2499154612.
The spelling of 87085527 in words is "eighty-seven million, eighty-five thousand, five hundred twenty-seven".
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