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13461949 is a prime number
BaseRepresentation
bin110011010110…
…100110111101
3221022221022201
4303112212331
511421240244
61200311501
7222265444
oct63264675
927287281
1013461949
117665186
124612591
132a34567
141b05d5b
1512adad4
hexcd69bd

13461949 has 2 divisors, whose sum is σ = 13461950. Its totient is φ = 13461948.

The previous prime is 13461941. The next prime is 13461979. The reversal of 13461949 is 94916431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12425625 + 1036324 = 3525^2 + 1018^2 .

It is an emirp because it is prime and its reverse (94916431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13461949 - 23 = 13461941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13461941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6730974 + 6730975.

It is an arithmetic number, because the mean of its divisors is an integer number (6730975).

Almost surely, 213461949 is an apocalyptic number.

It is an amenable number.

13461949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13461949 is an equidigital number, since it uses as much as digits as its factorization.

13461949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 13461949 is about 3669.0528750619. The cubic root of 13461949 is about 237.8862354390.

The spelling of 13461949 in words is "thirteen million, four hundred sixty-one thousand, nine hundred forty-nine".