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13839750 = 232536151
BaseRepresentation
bin110100110010…
…110110000110
3222001010120100
4310302312012
512020333000
61212344530
7225431061
oct64626606
928033510
1013839750
1178a3011
124775146
132b37502
141ba38d8
151335a00
hexd32d86

13839750 has 48 divisors (see below), whose sum is σ = 37428768. Its totient is φ = 3690000.

The previous prime is 13839737. The next prime is 13839797. The reversal of 13839750 is 5793831.

13839750 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826 + ... + 5325.

It is an arithmetic number, because the mean of its divisors is an integer number (779766).

Almost surely, 213839750 is an apocalyptic number.

13839750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13839750 is an abundant number, since it is smaller than the sum of its proper divisors (23589018).

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

13839750 is a wasteful number, since it uses less digits than its factorization.

13839750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174 (or 6161 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 13839750 is about 3720.1814471878. The cubic root of 13839750 is about 240.0911112404.

The spelling of 13839750 in words is "thirteen million, eight hundred thirty-nine thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 125 150 225 250 375 450 750 1125 2250 6151 12302 18453 30755 36906 55359 61510 92265 110718 153775 184530 276795 307550 461325 553590 768875 922650 1383975 1537750 2306625 2767950 4613250 6919875 13839750