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13842724 = 227494383
BaseRepresentation
bin110100110011…
…100100100100
3222001021122111
4310303210210
512020431344
61212410404
7225442540
oct64634444
928037574
1013842724
1178a5275
124776a04
132b3897c
141ba4a20
151336834
hexd33924

13842724 has 12 divisors (see below), whose sum is σ = 27685504. Its totient is φ = 5932584.

The previous prime is 13842713. The next prime is 13842727. The reversal of 13842724 is 42724831.

13842724 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13842727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247164 + ... + 247219.

Almost surely, 213842724 is an apocalyptic number.

13842724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13842724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13842724 is a wasteful number, since it uses less digits than its factorization.

13842724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494394 (or 494392 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 13842724 is about 3720.5811374031. The cubic root of 13842724 is about 240.1083075969.

The spelling of 13842724 in words is "thirteen million, eight hundred forty-two thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 494383 988766 1977532 3460681 6921362 13842724