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13725885 = 3517192833
BaseRepresentation
bin110100010111…
…000010111101
3221211100101010
4310113002331
512003212020
61210105433
7224445105
oct64270275
927740333
1013725885
117825508
12471b279
132ac7734
141b74205
151311de0
hexd170bd

13725885 has 32 divisors (see below), whose sum is σ = 24485760. Its totient is φ = 6524928.

The previous prime is 13725841. The next prime is 13725889. The reversal of 13725885 is 58852731.

It is not a de Polignac number, because 13725885 - 210 = 13724861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3429 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (765180).

Almost surely, 213725885 is an apocalyptic number.

13725885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13725885 is a deficient number, since it is larger than the sum of its proper divisors (10759875).

13725885 is a wasteful number, since it uses less digits than its factorization.

13725885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877.

The product of its digits is 67200, while the sum is 39.

The square root of 13725885 is about 3704.8461506519. The cubic root of 13725885 is about 239.4308562421.

The spelling of 13725885 in words is "thirteen million, seven hundred twenty-five thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 17 19 51 57 85 95 255 285 323 969 1615 2833 4845 8499 14165 42495 48161 53827 144483 161481 240805 269135 722415 807405 915059 2745177 4575295 13725885