Base | Representation |
---|---|
bin | 110000100111… |
… | …101101000110 |
3 | 212222112121010 |
4 | 300213231012 |
5 | 11230324132 |
6 | 1133103050 |
7 | 213223005 |
oct | 60475506 |
9 | 25875533 |
10 | 12745542 |
11 | 7215a07 |
12 | 4327a86 |
13 | 2843454 |
14 | 199ac3c |
15 | 11bb6cc |
hex | c27b46 |
12745542 has 32 divisors (see below), whose sum is σ = 28005120. Its totient is φ = 3849120.
The previous prime is 12745541. The next prime is 12745549. The reversal of 12745542 is 24554721.
12745542 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12745541) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192 + ... + 5052.
It is an arithmetic number, because the mean of its divisors is an integer number (875160).
Almost surely, 212745542 is an apocalyptic number.
12745542 is an abundant number, since it is smaller than the sum of its proper divisors (15259578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12745542 is a wasteful number, since it uses less digits than its factorization.
12745542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4908.
The product of its digits is 11200, while the sum is 30.
The square root of 12745542 is about 3570.0899148341. The cubic root of 12745542 is about 233.5892054771.
The spelling of 12745542 in words is "twelve million, seven hundred forty-five thousand, five hundred forty-two".
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