Base | Representation |
---|---|
bin | 111001000111… |
… | …011011001101 |
3 | 1001011200120112 |
4 | 321013123031 |
5 | 12313110441 |
6 | 1252525405 |
7 | 241156646 |
oct | 71073315 |
9 | 31150515 |
10 | 14972621 |
11 | 84a7174 |
12 | 5020865 |
13 | 3143051 |
14 | 1dba6cd |
15 | 14ab4eb |
hex | e476cd |
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".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •