Base | Representation |
---|---|
bin | 101110111110… |
… | …110010010000 |
3 | 212011201002110 |
4 | 232332302100 |
5 | 11123101132 |
6 | 1115545320 |
7 | 206453046 |
oct | 56766220 |
9 | 25151073 |
10 | 12315792 |
11 | 6a52045 |
12 | 415b240 |
13 | 2722968 |
14 | 18c8396 |
15 | 11341cc |
hex | bbec90 |
12315792 has 20 divisors (see below), whose sum is σ = 31815920. Its totient is φ = 4105248.
The previous prime is 12315727. The next prime is 12315811. The reversal of 12315792 is 29751321.
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 3 ways as a sum of consecutive naturals, for example, 128242 + ... + 128337.
It is an arithmetic number, because the mean of its divisors is an integer number (1590796).
Almost surely, 212315792 is an apocalyptic number.
12315792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12315792 is an abundant number, since it is smaller than the sum of its proper divisors (19500128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12315792 is a wasteful number, since it uses less digits than its factorization.
12315792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256590 (or 256584 counting only the distinct ones).
The product of its digits is 3780, while the sum is 30.
The square root of 12315792 is about 3509.3862711306. The cubic root of 12315792 is about 230.9337716101.
The spelling of 12315792 in words is "twelve million, three hundred fifteen thousand, seven hundred ninety-two".
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