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13725733 = 721923641
BaseRepresentation
bin110100010111…
…000000100101
3221211100011111
4310113000211
512003210413
61210105021
7224444500
oct64270045
927740144
1013725733
11782538a
12471b171
132ac7648
141b74137
151311d3d
hexd17025

13725733 has 24 divisors (see below), whose sum is σ = 17565120. Its totient is φ = 10644480.

The previous prime is 13725727. The next prime is 13725737. The reversal of 13725733 is 33752731.

It is not a de Polignac number, because 13725733 - 29 = 13725221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13725695 and 13725704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21093 + ... + 21733.

It is an arithmetic number, because the mean of its divisors is an integer number (731880).

Almost surely, 213725733 is an apocalyptic number.

It is an amenable number.

13725733 is a deficient number, since it is larger than the sum of its proper divisors (3839387).

13725733 is a wasteful number, since it uses less digits than its factorization.

13725733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

The product of its digits is 13230, while the sum is 31.

The square root of 13725733 is about 3704.8256369227. The cubic root of 13725733 is about 239.4299724224.

The spelling of 13725733 in words is "thirteen million, seven hundred twenty-five thousand, seven hundred thirty-three".

Divisors: 1 7 19 23 49 133 161 437 641 931 1127 3059 4487 12179 14743 21413 31409 85253 103201 280117 596771 722407 1960819 13725733