Base | Representation |
---|---|
bin | 101111110101… |
… | …001100011100 |
3 | 212121000210112 |
4 | 233311030130 |
5 | 11202214102 |
6 | 1124425152 |
7 | 211401560 |
oct | 57651434 |
9 | 25530715 |
10 | 12538652 |
11 | 7094525 |
12 | 42481b8 |
13 | 27a0229 |
14 | 19456a0 |
15 | 117a252 |
hex | bf531c |
12538652 has 24 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 5356080.
The previous prime is 12538649. The next prime is 12538679. The reversal of 12538652 is 25683521.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a congruent number.
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, 11549 + ... + 12587.
It is an arithmetic number, because the mean of its divisors is an integer number (1048320).
Almost surely, 212538652 is an apocalyptic number.
It is an amenable number.
12538652 is an abundant number, since it is smaller than the sum of its proper divisors (12621028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12538652 is a wasteful number, since it uses less digits than its factorization.
12538652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).
The product of its digits is 14400, while the sum is 32.
The square root of 12538652 is about 3540.9959051092. The cubic root of 12538652 is about 232.3184044680.
The spelling of 12538652 in words is "twelve million, five hundred thirty-eight thousand, six hundred fifty-two".
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