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13642901 is a prime number
BaseRepresentation
bin110100000010…
…110010010101
3221200010112122
4310002302111
511443033101
61204225325
7223651136
oct64026225
927603478
1013642901
117779128
12469b245
132a98a2c
141b51c8d
1512e751b
hexd02c95

13642901 has 2 divisors, whose sum is σ = 13642902. Its totient is φ = 13642900.

The previous prime is 13642879. The next prime is 13642907. The reversal of 13642901 is 10924631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8584900 + 5058001 = 2930^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 13642901 - 214 = 13626517 is a prime.

It is a super-2 number, since 2×136429012 = 372257495391602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13642907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6821450 + 6821451.

It is an arithmetic number, because the mean of its divisors is an integer number (6821451).

Almost surely, 213642901 is an apocalyptic number.

It is an amenable number.

13642901 is a deficient number, since it is larger than the sum of its proper divisors (1).

13642901 is an equidigital number, since it uses as much as digits as its factorization.

13642901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13642901 is about 3693.6297865379. The cubic root of 13642901 is about 238.9473632792.

The spelling of 13642901 in words is "thirteen million, six hundred forty-two thousand, nine hundred one".