Base | Representation |
---|---|
bin | 101110111001… |
… | …111011000000 |
3 | 212010200202200 |
4 | 232321323000 |
5 | 11121431442 |
6 | 1115313200 |
7 | 206341011 |
oct | 56717300 |
9 | 25120680 |
10 | 12295872 |
11 | 6a39086 |
12 | 414b800 |
13 | 2716884 |
14 | 18c1008 |
15 | 112d34c |
hex | bb9ec0 |
12295872 has 42 divisors (see below), whose sum is σ = 35245548. Its totient is φ = 4098432.
The previous prime is 12295867. The next prime is 12295883. The reversal of 12295872 is 27859221.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10098 + ... + 11249.
Almost surely, 212295872 is an apocalyptic number.
12295872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12295872 is an abundant number, since it is smaller than the sum of its proper divisors (22949676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12295872 is a wasteful number, since it uses less digits than its factorization.
12295872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21365 (or 21352 counting only the distinct ones).
The product of its digits is 20160, while the sum is 36.
The square root of 12295872 is about 3506.5470195051. The cubic root of 12295872 is about 230.8091975906.
The spelling of 12295872 in words is "twelve million, two hundred ninety-five thousand, eight hundred seventy-two".
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