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13694161 = 131736089
BaseRepresentation
bin110100001111…
…010011010001
3221202201212011
4310033103101
512001203121
61205302521
7224253445
oct64172321
927681764
1013694161
117803698
124704a41
132ab6170
141b66825
1513077e1
hexd0f4d1

13694161 has 8 divisors (see below), whose sum is σ = 14835240. Its totient is φ = 12565632.

The previous prime is 13694113. The next prime is 13694179. The reversal of 13694161 is 16149631.

13694161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1134225 + 12559936 = 1065^2 + 3544^2 .

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 13694161 - 219 = 13169873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13694101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (1854405).

Almost surely, 213694161 is an apocalyptic number.

It is an amenable number.

13694161 is a deficient number, since it is larger than the sum of its proper divisors (1141079).

13694161 is a wasteful number, since it uses less digits than its factorization.

13694161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275.

The product of its digits is 3888, while the sum is 31.

The square root of 13694161 is about 3700.5622545770. The cubic root of 13694161 is about 239.2462521437.

The spelling of 13694161 in words is "thirteen million, six hundred ninety-four thousand, one hundred sixty-one".

Divisors: 1 13 173 2249 6089 79157 1053397 13694161