Base | Representation |
---|---|
bin | 1010010111001… |
… | …01111111100111 |
3 | 20001120021002002 |
4 | 11023211333213 |
5 | 134223102122 |
6 | 12343035515 |
7 | 2103565331 |
oct | 513457747 |
9 | 201507062 |
10 | 86925287 |
11 | 45081289 |
12 | 2513bb9b |
13 | 150165a7 |
14 | b78a451 |
15 | 7970992 |
hex | 52e5fe7 |
86925287 has 4 divisors (see below), whose sum is σ = 86947920. Its totient is φ = 86902656.
The previous prime is 86925283. The next prime is 86925299. The reversal of 86925287 is 78252968.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 86925287 - 22 = 86925283 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86925281) 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, 3962 + ... + 13767.
It is an arithmetic number, because the mean of its divisors is an integer number (21736980).
Almost surely, 286925287 is an apocalyptic number.
86925287 is a deficient number, since it is larger than the sum of its proper divisors (22633).
86925287 is a wasteful number, since it uses less digits than its factorization.
86925287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22632.
The product of its digits is 483840, while the sum is 47.
The square root of 86925287 is about 9323.3731556771. The cubic root of 86925287 is about 442.9778841336.
The spelling of 86925287 in words is "eighty-six million, nine hundred twenty-five thousand, two hundred eighty-seven".
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