Search a number
-
+
52198931 is a prime number
BaseRepresentation
bin1100011100011…
…1111000010011
310122012222110202
43013013320103
5101330331211
65102445415
71202453321
oct307077023
9118188422
1052198931
1127512914
121559386b
13aa78255
146d0ad11
1548b153b
hex31c7e13

52198931 has 2 divisors, whose sum is σ = 52198932. Its totient is φ = 52198930.

The previous prime is 52198879. The next prime is 52198933. The reversal of 52198931 is 13989125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52198931 is a prime.

It is a super-2 number, since 2×521989312 = 5449456795085522, which contains 22 as substring.

Together with 52198933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52198933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26099465 + 26099466.

It is an arithmetic number, because the mean of its divisors is an integer number (26099466).

Almost surely, 252198931 is an apocalyptic number.

52198931 is a deficient number, since it is larger than the sum of its proper divisors (1).

52198931 is an equidigital number, since it uses as much as digits as its factorization.

52198931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 38.

The square root of 52198931 is about 7224.8827672150. The cubic root of 52198931 is about 373.7264793571.

The spelling of 52198931 in words is "fifty-two million, one hundred ninety-eight thousand, nine hundred thirty-one".