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13725790 = 2513195557
BaseRepresentation
bin110100010111…
…000001011110
3221211100020121
4310113001132
512003211130
61210105154
7224444611
oct64270136
927740217
1013725790
117825431
12471b1ba
132ac7690
141b74178
151311d7a
hexd1705e

13725790 has 32 divisors (see below), whose sum is σ = 28012320. Its totient is φ = 4800384.

The previous prime is 13725769. The next prime is 13725841. The reversal of 13725790 is 9752731.

13725790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137257902 = 376794622248200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (875385).

Almost surely, 213725790 is an apocalyptic number.

13725790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13725790 is an abundant number, since it is smaller than the sum of its proper divisors (14286530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13725790 is a wasteful number, since it uses less digits than its factorization.

13725790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 13725790 is about 3704.8333295845. The cubic root of 13725790 is about 239.4303038555.

The spelling of 13725790 in words is "thirteen million, seven hundred twenty-five thousand, seven hundred ninety".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2470 5557 11114 27785 55570 72241 105583 144482 211166 361205 527915 722410 1055830 1372579 2745158 6862895 13725790