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12536142 = 232089357
BaseRepresentation
bin101111110100…
…100101001110
3212120220100120
4233310211032
511202124032
61124405410
7211361343
oct57644516
925526316
1012536142
117092653
124246866
13279c048
1419447ca
15117962c
hexbf494e

12536142 has 8 divisors (see below), whose sum is σ = 25072296. Its totient is φ = 4178712.

The previous prime is 12536141. The next prime is 12536159. The reversal of 12536142 is 24163521.

It is a sphenic number, since it is the product of 3 distinct primes.

12536142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12536141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044673 + ... + 1044684.

It is an arithmetic number, because the mean of its divisors is an integer number (3134037).

Almost surely, 212536142 is an apocalyptic number.

12536142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12536142 is a wasteful number, since it uses less digits than its factorization.

12536142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089362.

The product of its digits is 1440, while the sum is 24.

The square root of 12536142 is about 3540.6414673050. The cubic root of 12536142 is about 232.3029015227.

Adding to 12536142 its reverse (24163521), we get a palindrome (36699663).

The spelling of 12536142 in words is "twelve million, five hundred thirty-six thousand, one hundred forty-two".

Divisors: 1 2 3 6 2089357 4178714 6268071 12536142