Search a number
-
+
14971393 is a prime number
BaseRepresentation
bin111001000111…
…001000000001
31001011121220001
4321013020001
512313041033
61252520001
7241153243
oct71071001
931147801
1014971393
1184a6258
125020001
133142618
141dba093
1514aae7d
hexe47201

14971393 has 2 divisors, whose sum is σ = 14971394. Its totient is φ = 14971392.

The previous prime is 14971391. The next prime is 14971403. The reversal of 14971393 is 39317941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8661249 + 6310144 = 2943^2 + 2512^2 .

It is a cyclic number.

It is not a de Polignac number, because 14971393 - 21 = 14971391 is a prime.

Together with 14971391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14971391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7485696 + 7485697.

It is an arithmetic number, because the mean of its divisors is an integer number (7485697).

Almost surely, 214971393 is an apocalyptic number.

It is an amenable number.

14971393 is a deficient number, since it is larger than the sum of its proper divisors (1).

14971393 is an equidigital number, since it uses as much as digits as its factorization.

14971393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 14971393 is about 3869.2884358755. The cubic root of 14971393 is about 246.4643278188.

The spelling of 14971393 in words is "fourteen million, nine hundred seventy-one thousand, three hundred ninety-three".