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13723944 = 2331343987
BaseRepresentation
bin110100010110…
…100100101000
3221211020201020
4310112210220
512003131234
61210052440
7224436333
oct64264450
927736636
1013723944
117824003
12471a120
132ac68a0
141b7361a
151311549
hexd16928

13723944 has 32 divisors (see below), whose sum is σ = 36949920. Its totient is φ = 4222656.

The previous prime is 13723907. The next prime is 13723961. The reversal of 13723944 is 44932731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21682 + ... + 22305.

It is an arithmetic number, because the mean of its divisors is an integer number (1154685).

Almost surely, 213723944 is an apocalyptic number.

It is an amenable number.

13723944 is an abundant number, since it is smaller than the sum of its proper divisors (23225976).

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

13723944 is a wasteful number, since it uses less digits than its factorization.

13723944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44009 (or 44005 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 13723944 is about 3704.5841871929. The cubic root of 13723944 is about 239.4195696062.

The spelling of 13723944 in words is "thirteen million, seven hundred twenty-three thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 43987 87974 131961 175948 263922 351896 527844 571831 1055688 1143662 1715493 2287324 3430986 4574648 6861972 13723944