Base | Representation |
---|---|
bin | 110000100110… |
… | …111100001000 |
3 | 212222101022001 |
4 | 300212330020 |
5 | 11230224113 |
6 | 1133040344 |
7 | 213210610 |
oct | 60467410 |
9 | 25871261 |
10 | 12742408 |
11 | 7213618 |
12 | 43260b4 |
13 | 2841bb3 |
14 | 1999a40 |
15 | 11ba7dd |
hex | c26f08 |
12742408 has 32 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 5418432.
The previous prime is 12742399. The next prime is 12742417. The reversal of 12742408 is 80424721.
It is an interprime number because it is at equal distance from previous prime (12742399) and next prime (12742417).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6966 + ... + 8602.
It is an arithmetic number, because the mean of its divisors is an integer number (859950).
Almost surely, 212742408 is an apocalyptic number.
It is an amenable number.
12742408 is an abundant number, since it is smaller than the sum of its proper divisors (14775992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12742408 is a wasteful number, since it uses less digits than its factorization.
12742408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1789 (or 1785 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 28.
The square root of 12742408 is about 3569.6509633296. The cubic root of 12742408 is about 233.5700581659.
The spelling of 12742408 in words is "twelve million, seven hundred forty-two thousand, four hundred eight".
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