Base | Representation |
---|---|
bin | 1010011010111… |
… | …01000011011111 |
3 | 20002111001001000 |
4 | 11031131003133 |
5 | 134334203314 |
6 | 12401321343 |
7 | 2110666164 |
oct | 515350337 |
9 | 202431030 |
10 | 87412959 |
11 | 45384717 |
12 | 25336253 |
13 | 1515755a |
14 | b87606b |
15 | 7a1a209 |
hex | 535d0df |
87412959 has 16 divisors (see below), whose sum is σ = 129644800. Its totient is φ = 58210488.
The previous prime is 87412909. The next prime is 87412961. The reversal of 87412959 is 95921478.
It is not a de Polignac number, because 87412959 - 212 = 87408863 is a prime.
It is a super-2 number, since 2×874129592 = 15282050802271362, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87412909) 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, 45582 + ... + 47460.
It is an arithmetic number, because the mean of its divisors is an integer number (8102800).
Almost surely, 287412959 is an apocalyptic number.
87412959 is a deficient number, since it is larger than the sum of its proper divisors (42231841).
87412959 is a wasteful number, since it uses less digits than its factorization.
87412959 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3611 (or 3605 counting only the distinct ones).
The product of its digits is 181440, while the sum is 45.
The square root of 87412959 is about 9349.4897721747. The cubic root of 87412959 is about 443.8047443140.
The spelling of 87412959 in words is "eighty-seven million, four hundred twelve thousand, nine hundred fifty-nine".
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