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13964149 = 41421809
BaseRepresentation
bin110101010001…
…001101110101
3222021110012201
4311101031311
512033323044
61215144501
7226456543
oct65211565
928243181
1013964149
117978521
124815131
132b7c014
141bd6d93
15135c7d4
hexd51375

13964149 has 8 divisors (see below), whose sum is σ = 14356440. Its totient is φ = 13574400.

The previous prime is 13964147. The next prime is 13964161. The reversal of 13964149 is 94146931.

It can be written as a sum of positive squares in 4 ways, for example, as 13924 + 13950225 = 118^2 + 3735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13964149 - 21 = 13964147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13964147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16857 + ... + 17665.

It is an arithmetic number, because the mean of its divisors is an integer number (1794555).

Almost surely, 213964149 is an apocalyptic number.

It is an amenable number.

13964149 is a deficient number, since it is larger than the sum of its proper divisors (392291).

13964149 is an equidigital number, since it uses as much as digits as its factorization.

13964149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its digits is 23328, while the sum is 37.

The square root of 13964149 is about 3736.8635244012. The cubic root of 13964149 is about 240.8083219623.

The spelling of 13964149 in words is "thirteen million, nine hundred sixty-four thousand, one hundred forty-nine".

Divisors: 1 41 421 809 17261 33169 340589 13964149