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13952241 = 3210115349
BaseRepresentation
bin110101001110…
…010011110001
3222020211212200
4311032103301
512032432431
61215013413
7226410042
oct65162361
928224780
1013952241
11796a586
12480a269
132b76784
141bd28c9
151358ee6
hexd4e4f1

13952241 has 12 divisors (see below), whose sum is σ = 20354100. Its totient is φ = 9208800.

The previous prime is 13952231. The next prime is 13952287. The reversal of 13952241 is 14225931.

13952241 is a `hidden beast` number, since 139 + 522 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9790641 + 4161600 = 3129^2 + 2040^2 .

It is not a de Polignac number, because 13952241 - 217 = 13821169 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13952231) 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 11 ways as a sum of consecutive naturals, for example, 6766 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (1696175).

Almost surely, 213952241 is an apocalyptic number.

It is an amenable number.

13952241 is a deficient number, since it is larger than the sum of its proper divisors (6401859).

13952241 is a wasteful number, since it uses less digits than its factorization.

13952241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15456 (or 15453 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13952241 is about 3735.2698697684. The cubic root of 13952241 is about 240.7398523170.

The spelling of 13952241 in words is "thirteen million, nine hundred fifty-two thousand, two hundred forty-one".

Divisors: 1 3 9 101 303 909 15349 46047 138141 1550249 4650747 13952241