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13967844 = 22311105817
BaseRepresentation
bin110101010010…
…000111100100
3222021122021120
4311102013210
512033432334
61215213540
7226503402
oct65220744
928248246
1013967844
117980280
1248172b0
132b808c7
141bd8472
15135d949
hexd521e4

13967844 has 24 divisors (see below), whose sum is σ = 35554848. Its totient is φ = 4232640.

The previous prime is 13967827. The next prime is 13967867. The reversal of 13967844 is 44876931.

It is a junction number, because it is equal to n+sod(n) for n = 13967796 and 13967805.

It is an unprimeable number.

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, 52777 + ... + 53040.

It is an arithmetic number, because the mean of its divisors is an integer number (1481452).

Almost surely, 213967844 is an apocalyptic number.

It is an amenable number.

13967844 is an abundant number, since it is smaller than the sum of its proper divisors (21587004).

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

13967844 is a wasteful number, since it uses less digits than its factorization.

13967844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105835 (or 105833 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 13967844 is about 3737.3578902749. The cubic root of 13967844 is about 240.8295598786.

The spelling of 13967844 in words is "thirteen million, nine hundred sixty-seven thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 105817 211634 317451 423268 634902 1163987 1269804 2327974 3491961 4655948 6983922 13967844