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13966853 = 16578429
BaseRepresentation
bin110101010001…
…111000000101
3222021120220212
4311101320011
512033414403
61215205205
7226500455
oct65217005
928246825
1013966853
11797a55a
124816805
132b80314
141bd7d65
15135d4d8
hexd51e05

13966853 has 4 divisors (see below), whose sum is σ = 13976940. Its totient is φ = 13956768.

The previous prime is 13966847. The next prime is 13966879. The reversal of 13966853 is 35866931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3319684 + 10647169 = 1822^2 + 3263^2 .

It is a cyclic number.

It is not a de Polignac number, because 13966853 - 24 = 13966837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13966853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13966153) 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 3 ways as a sum of consecutive naturals, for example, 2558 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (3494235).

Almost surely, 213966853 is an apocalyptic number.

It is an amenable number.

13966853 is a deficient number, since it is larger than the sum of its proper divisors (10087).

13966853 is an equidigital number, since it uses as much as digits as its factorization.

13966853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086.

The product of its digits is 116640, while the sum is 41.

The square root of 13966853 is about 3737.2253076313. The cubic root of 13966853 is about 240.8238642313.

The spelling of 13966853 in words is "thirteen million, nine hundred sixty-six thousand, eight hundred fifty-three".

Divisors: 1 1657 8429 13966853