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13690392 = 2334113913
BaseRepresentation
bin110100001110…
…011000011000
3221202112200120
4310032120120
512001043032
61205233240
7224236452
oct64163030
927675616
1013690392
117800881
124702820
132ab4531
141b652d2
15130662c
hexd0e618

13690392 has 32 divisors (see below), whose sum is σ = 35063280. Its totient is φ = 4451840.

The previous prime is 13690373. The next prime is 13690403. The reversal of 13690392 is 29309631.

It is a super-2 number, since 2×136903922 = 374853666227328, 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 7 ways as a sum of consecutive naturals, for example, 5973 + ... + 7940.

Almost surely, 213690392 is an apocalyptic number.

13690392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13690392 is an abundant number, since it is smaller than the sum of its proper divisors (21372888).

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

13690392 is a wasteful number, since it uses less digits than its factorization.

13690392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13963 (or 13959 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 13690392 is about 3700.0529725938. The cubic root of 13690392 is about 239.2243011369.

The spelling of 13690392 in words is "thirteen million, six hundred ninety thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 13913 27826 41739 55652 83478 111304 166956 333912 570433 1140866 1711299 2281732 3422598 4563464 6845196 13690392