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13937052 = 2232921381
BaseRepresentation
bin110101001010…
…100110011100
3222020002001010
4311022212130
512031441202
61214415220
7226314543
oct65124634
928202033
1013937052
11795a128
124801510
132b6c89c
141bcb15a
15135476c
hexd4a99c

13937052 has 36 divisors (see below), whose sum is σ = 33704216. Its totient is φ = 4482240.

The previous prime is 13937041. The next prime is 13937069. The reversal of 13937052 is 25073931.

13937052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9402 + ... + 10782.

Almost surely, 213937052 is an apocalyptic number.

13937052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13937052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16852108).

13937052 is an abundant number, since it is smaller than the sum of its proper divisors (19767164).

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

13937052 is a wasteful number, since it uses less digits than its factorization.

13937052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 13937052 is about 3733.2361296870. The cubic root of 13937052 is about 240.6524607329.

The spelling of 13937052 in words is "thirteen million, nine hundred thirty-seven thousand, fifty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 841 1381 1682 2523 2762 3364 4143 5046 5524 8286 10092 16572 40049 80098 120147 160196 240294 480588 1161421 2322842 3484263 4645684 6968526 13937052