Search a number
-
+
15252929 is a prime number
BaseRepresentation
bin111010001011…
…110111000001
31001200221002022
4322023313001
512401043204
61302531225
7243435116
oct72136701
931627068
1015252929
11867882a
125136b15
133210803
14205090d
1515145be
hexe8bdc1

15252929 has 2 divisors, whose sum is σ = 15252930. Its totient is φ = 15252928.

The previous prime is 15252911. The next prime is 15252931. The reversal of 15252929 is 92925251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 3794704 = 3385^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 15252929 - 212 = 15248833 is a prime.

It is a Sophie Germain prime.

Together with 15252931, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15252949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626464 + 7626465.

It is an arithmetic number, because the mean of its divisors is an integer number (7626465).

Almost surely, 215252929 is an apocalyptic number.

It is an amenable number.

15252929 is a deficient number, since it is larger than the sum of its proper divisors (1).

15252929 is an equidigital number, since it uses as much as digits as its factorization.

15252929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 15252929 is about 3905.4998399693. The cubic root of 15252929 is about 247.9996585583. Note that the first 3 decimals are identical.

The spelling of 15252929 in words is "fifteen million, two hundred fifty-two thousand, nine hundred twenty-nine".