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13969244 = 226157251
BaseRepresentation
bin110101010010…
…011101011100
3222021201012102
4311102131130
512034003434
61215224232
7226510442
oct65223534
928251172
1013969244
117981333
124818078
132b81433
141bd8b92
15135e07e
hexd5275c

13969244 has 12 divisors (see below), whose sum is σ = 24847368. Its totient is φ = 6870000.

The previous prime is 13969217. The next prime is 13969247. The reversal of 13969244 is 44296931.

It is a junction number, because it is equal to n+sod(n) for n = 13969198 and 13969207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13969247) 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 3 ways as a sum of consecutive naturals, for example, 28382 + ... + 28869.

It is an arithmetic number, because the mean of its divisors is an integer number (2070614).

Almost surely, 213969244 is an apocalyptic number.

It is an amenable number.

13969244 is a deficient number, since it is larger than the sum of its proper divisors (10878124).

13969244 is a wasteful number, since it uses less digits than its factorization.

13969244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57316 (or 57314 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 13969244 is about 3737.5451836734. The cubic root of 13969244 is about 240.8376057426.

The spelling of 13969244 in words is "thirteen million, nine hundred sixty-nine thousand, two hundred forty-four".

Divisors: 1 2 4 61 122 244 57251 114502 229004 3492311 6984622 13969244