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12536428 = 2219164953
BaseRepresentation
bin101111110100…
…101001101100
3212120220202011
4233310221230
511202131203
61124411004
7211362232
oct57645154
925526664
1012536428
117092893
124246a64
13279c208
141944952
15117976d
hexbf4a6c

12536428 has 12 divisors (see below), whose sum is σ = 23093560. Its totient is φ = 5938272.

The previous prime is 12536411. The next prime is 12536467. The reversal of 12536428 is 82463521.

It is a self number, because there is not a number n which added to its sum of digits gives 12536428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82401 + ... + 82552.

Almost surely, 212536428 is an apocalyptic number.

It is an amenable number.

12536428 is a deficient number, since it is larger than the sum of its proper divisors (10557132).

12536428 is a wasteful number, since it uses less digits than its factorization.

12536428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164976 (or 164974 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 12536428 is about 3540.6818552364. The cubic root of 12536428 is about 232.3046680982.

Adding to 12536428 its reverse (82463521), we get a palindrome (94999949).

The spelling of 12536428 in words is "twelve million, five hundred thirty-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 19 38 76 164953 329906 659812 3134107 6268214 12536428