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12625142 = 26312571
BaseRepresentation
bin110000001010…
…010011110110
3212202102102212
4300022103312
511213001032
61130333422
7212211665
oct60122366
925672385
1012625142
117143502
12428a272
1328006ca
141968ddc
151195bb2
hexc0a4f6

12625142 has 4 divisors (see below), whose sum is σ = 18937716. Its totient is φ = 6312570.

The previous prime is 12625141. The next prime is 12625181. The reversal of 12625142 is 24152621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156284 + ... + 3156287.

It is an arithmetic number, because the mean of its divisors is an integer number (4734429).

Almost surely, 212625142 is an apocalyptic number.

12625142 is a deficient number, since it is larger than the sum of its proper divisors (6312574).

12625142 is an equidigital number, since it uses as much as digits as its factorization.

12625142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312573.

The product of its digits is 960, while the sum is 23.

The square root of 12625142 is about 3553.1875830021. The cubic root of 12625142 is about 232.8513483841.

Adding to 12625142 its reverse (24152621), we get a palindrome (36777763).

The spelling of 12625142 in words is "twelve million, six hundred twenty-five thousand, one hundred forty-two".

Divisors: 1 2 6312571 12625142