Base | Representation |
---|---|
bin | 110001000110… |
… | …101110010000 |
3 | 220012222212200 |
4 | 301012232100 |
5 | 11243410332 |
6 | 1135523200 |
7 | 214262265 |
oct | 61065620 |
9 | 26188780 |
10 | 12872592 |
11 | 72a2407 |
12 | 4389500 |
13 | 2889225 |
14 | 19d126c |
15 | 11e417c |
hex | c46b90 |
12872592 has 30 divisors (see below), whose sum is σ = 36025782. Its totient is φ = 4290816.
The previous prime is 12872591. The next prime is 12872597. The reversal of 12872592 is 29527821.
It can be written as a sum of positive squares in only one way, i.e., 8856576 + 4016016 = 2976^2 + 2004^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (12872591) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44553 + ... + 44840.
Almost surely, 212872592 is an apocalyptic number.
12872592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12872592 is an abundant number, since it is smaller than the sum of its proper divisors (23153190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12872592 is a wasteful number, since it uses less digits than its factorization.
12872592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89407 (or 89398 counting only the distinct ones).
The product of its digits is 20160, while the sum is 36.
The square root of 12872592 is about 3587.8394612914. The cubic root of 12872592 is about 234.3627946711.
The spelling of 12872592 in words is "twelve million, eight hundred seventy-two thousand, five hundred ninety-two".
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