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13427525 = 521992699
BaseRepresentation
bin110011001110…
…001101000101
3221021012002202
4303032031011
511414140100
61155444245
7222063206
oct63161505
927235082
1013427525
117641331
1245b6685
132a219a7
141ad75ad
1512a37d5
hexcce345

13427525 has 12 divisors (see below), whose sum is σ = 16740000. Its totient is φ = 10684080.

The previous prime is 13427483. The next prime is 13427527. The reversal of 13427525 is 52572431.

It is a happy number.

13427525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13427525 - 26 = 13427461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13427527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3626 + ... + 6324.

It is an arithmetic number, because the mean of its divisors is an integer number (1395000).

Almost surely, 213427525 is an apocalyptic number.

It is an amenable number.

13427525 is a deficient number, since it is larger than the sum of its proper divisors (3312475).

13427525 is a wasteful number, since it uses less digits than its factorization.

13427525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 2903 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 13427525 is about 3664.3587433547. The cubic root of 13427525 is about 237.6832934078.

Adding to 13427525 its reverse (52572431), we get a palindrome (65999956).

The spelling of 13427525 in words is "thirteen million, four hundred twenty-seven thousand, five hundred twenty-five".

Divisors: 1 5 25 199 995 2699 4975 13495 67475 537101 2685505 13427525