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13896045 = 325308801
BaseRepresentation
bin110101000000…
…100101101101
3222010222210100
4311000211231
512024133140
61213501313
7226054152
oct65004555
928128710
1013896045
117931339
1247a1839
132b57017
141bba229
151347530
hexd4096d

13896045 has 12 divisors (see below), whose sum is σ = 24086556. Its totient is φ = 7411200.

The previous prime is 13896041. The next prime is 13896073. The reversal of 13896045 is 54069831.

It can be written as a sum of positive squares in 2 ways, for example, as 6702921 + 7193124 = 2589^2 + 2682^2 .

It is not a de Polignac number, because 13896045 - 22 = 13896041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13896041) 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 11 ways as a sum of consecutive naturals, for example, 154356 + ... + 154445.

It is an arithmetic number, because the mean of its divisors is an integer number (2007213).

Almost surely, 213896045 is an apocalyptic number.

13896045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13896045 is a deficient number, since it is larger than the sum of its proper divisors (10190511).

13896045 is a wasteful number, since it uses less digits than its factorization.

13896045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308812 (or 308809 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13896045 is about 3727.7399319159. The cubic root of 13896045 is about 240.4162048890.

The spelling of 13896045 in words is "thirteen million, eight hundred ninety-six thousand, forty-five".

Divisors: 1 3 5 9 15 45 308801 926403 1544005 2779209 4632015 13896045