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13896940 = 2252273061
BaseRepresentation
bin110101000000…
…110011101100
3222011001000111
4311000303230
512024200230
61213505404
7226056601
oct65006354
928131014
1013896940
117931a82
1247a2264
132b57555
141bba6a8
15134792a
hexd40cec

13896940 has 24 divisors (see below), whose sum is σ = 29321712. Its totient is φ = 5532480.

The previous prime is 13896931. The next prime is 13896943. The reversal of 13896940 is 4969831.

It is a junction number, because it is equal to n+sod(n) for n = 13896893 and 13896902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13896943) 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 7 ways as a sum of consecutive naturals, for example, 3010 + ... + 6070.

It is an arithmetic number, because the mean of its divisors is an integer number (1221738).

Almost surely, 213896940 is an apocalyptic number.

13896940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13896940 is an abundant number, since it is smaller than the sum of its proper divisors (15424772).

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

13896940 is a wasteful number, since it uses less digits than its factorization.

13896940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 13896940 is about 3727.8599759111. The cubic root of 13896940 is about 240.4213662588.

The spelling of 13896940 in words is "thirteen million, eight hundred ninety-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 3061 4540 6122 12244 15305 30610 61220 694847 1389694 2779388 3474235 6948470 13896940