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13894261 is a prime number
BaseRepresentation
bin110101000000…
…001001110101
3222010220100021
4311000021311
512024104021
61213445141
7226046023
oct65001165
928126307
1013894261
11792aa67
1247a07b1
132b56274
141bb9713
151346c41
hexd40275

13894261 has 2 divisors, whose sum is σ = 13894262. Its totient is φ = 13894260.

The previous prime is 13894247. The next prime is 13894291. The reversal of 13894261 is 16249831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11662225 + 2232036 = 3415^2 + 1494^2 .

It is a cyclic number.

It is not a de Polignac number, because 13894261 - 25 = 13894229 is a prime.

It is a super-2 number, since 2×138942612 = 386100977472242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13894201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6947130 + 6947131.

It is an arithmetic number, because the mean of its divisors is an integer number (6947131).

Almost surely, 213894261 is an apocalyptic number.

It is an amenable number.

13894261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13894261 is an equidigital number, since it uses as much as digits as its factorization.

13894261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 13894261 is about 3727.5006371562. The cubic root of 13894261 is about 240.4059160894.

The spelling of 13894261 in words is "thirteen million, eight hundred ninety-four thousand, two hundred sixty-one".