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12632142 = 232105357
BaseRepresentation
bin110000001100…
…000001001110
3212202210001010
4300030001032
511213212032
61130430050
7212241255
oct60140116
925683033
1012632142
117148796
124292326
132803953
14196b79c
151197ccc
hexc0c04e

12632142 has 8 divisors (see below), whose sum is σ = 25264296. Its totient is φ = 4210712.

The previous prime is 12632117. The next prime is 12632149. The reversal of 12632142 is 24123621.

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

12632142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632149) 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, 1052673 + ... + 1052684.

It is an arithmetic number, because the mean of its divisors is an integer number (3158037).

Almost surely, 212632142 is an apocalyptic number.

12632142 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.

12632142 is a wasteful number, since it uses less digits than its factorization.

12632142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105362.

The product of its digits is 576, while the sum is 21.

The square root of 12632142 is about 3554.1724775255. The cubic root of 12632142 is about 232.8943751817.

Adding to 12632142 its reverse (24123621), we get a palindrome (36755763).

The spelling of 12632142 in words is "twelve million, six hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 2105357 4210714 6316071 12632142