Base | Representation |
---|---|
bin | 110001000010… |
… | …101010001100 |
3 | 220012011001020 |
4 | 301002222030 |
5 | 11242342243 |
6 | 1135314140 |
7 | 214162620 |
oct | 61025214 |
9 | 26164036 |
10 | 12855948 |
11 | 7290956 |
12 | 437b950 |
13 | 2881791 |
14 | 19c9180 |
15 | 11de283 |
hex | c42a8c |
12855948 has 48 divisors (see below), whose sum is σ = 35395584. Its totient is φ = 3553920.
The previous prime is 12855937. The next prime is 12855967. The reversal of 12855948 is 84955821.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136 + ... + 5072.
It is an arithmetic number, because the mean of its divisors is an integer number (737408).
Almost surely, 212855948 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12855948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17697792).
12855948 is an abundant number, since it is smaller than the sum of its proper divisors (22539636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12855948 is a wasteful number, since it uses less digits than its factorization.
12855948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4982 (or 4980 counting only the distinct ones).
The product of its digits is 115200, while the sum is 42.
The square root of 12855948 is about 3585.5192092638. The cubic root of 12855948 is about 234.2617423279.
The spelling of 12855948 in words is "twelve million, eight hundred fifty-five thousand, nine hundred forty-eight".
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