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13681094 = 2721371019
BaseRepresentation
bin110100001100…
…000111000110
3221202001221012
4310030013012
512000243334
61205122222
7224200400
oct64140706
927661835
1013681094
1177a4899
1246b9372
132ab022b
141b61b70
1513039ce
hexd0c1c6

13681094 has 24 divisors (see below), whose sum is σ = 24069960. Its totient is φ = 5814816.

The previous prime is 13681093. The next prime is 13681099. The reversal of 13681094 is 49018631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13681094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13681091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12917 + ... + 13935.

It is an arithmetic number, because the mean of its divisors is an integer number (1002915).

Almost surely, 213681094 is an apocalyptic number.

13681094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13681094 is a deficient number, since it is larger than the sum of its proper divisors (10388866).

13681094 is a wasteful number, since it uses less digits than its factorization.

13681094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13681094 is about 3698.7962906870. The cubic root of 13681094 is about 239.1701314853.

The spelling of 13681094 in words is "thirteen million, six hundred eighty-one thousand, ninety-four".

Divisors: 1 2 7 14 49 98 137 274 959 1019 1918 2038 6713 7133 13426 14266 49931 99862 139603 279206 977221 1954442 6840547 13681094