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14972621 is a prime number
BaseRepresentation
bin111001000111…
…011011001101
31001011200120112
4321013123031
512313110441
61252525405
7241156646
oct71073315
931150515
1014972621
1184a7174
125020865
133143051
141dba6cd
1514ab4eb
hexe476cd

14972621 has 2 divisors, whose sum is σ = 14972622. Its totient is φ = 14972620.

The previous prime is 14972611. The next prime is 14972641. The reversal of 14972621 is 12627941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14523721 + 448900 = 3811^2 + 670^2 .

It is an emirp because it is prime and its reverse (12627941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14972621 - 214 = 14956237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14972611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7486310 + 7486311.

It is an arithmetic number, because the mean of its divisors is an integer number (7486311).

Almost surely, 214972621 is an apocalyptic number.

It is an amenable number.

14972621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14972621 is an equidigital number, since it uses as much as digits as its factorization.

14972621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 14972621 is about 3869.4471181294. The cubic root of 14972621 is about 246.4710662236.

The spelling of 14972621 in words is "fourteen million, nine hundred seventy-two thousand, six hundred twenty-one".