Base | Representation |
---|---|
bin | 1010100001100… |
… | …01111111001011 |
3 | 20011010100102200 |
4 | 11100301333023 |
5 | 140100111011 |
6 | 12432131243 |
7 | 2121261024 |
oct | 520617713 |
9 | 204110380 |
10 | 88285131 |
11 | 4591aa20 |
12 | 25696b23 |
13 | 153a152c |
14 | ba21c4b |
15 | 7b3d856 |
hex | 5431fcb |
88285131 has 24 divisors (see below), whose sum is σ = 147302064. Its totient is φ = 50357760.
The previous prime is 88285123. The next prime is 88285133. The reversal of 88285131 is 13158288.
It is not a de Polignac number, because 88285131 - 23 = 88285123 is a prime.
It is a super-2 number, since 2×882851312 = 15588528711374322, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (88285133) 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, 24546 + ... + 27911.
It is an arithmetic number, because the mean of its divisors is an integer number (6137586).
Almost surely, 288285131 is an apocalyptic number.
88285131 is a deficient number, since it is larger than the sum of its proper divisors (59016933).
88285131 is a wasteful number, since it uses less digits than its factorization.
88285131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52491 (or 52488 counting only the distinct ones).
The product of its digits is 15360, while the sum is 36.
The square root of 88285131 is about 9396.0167624372. The cubic root of 88285131 is about 445.2758984284.
The spelling of 88285131 in words is "eighty-eight million, two hundred eighty-five thousand, one hundred thirty-one".
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