Search a number
-
+
53838931 is a prime number
BaseRepresentation
bin1100110101100…
…0010001010011
310202022022010111
43031120101103
5102240321211
65201542151
71222423546
oct315302123
9122268114
1053838931
1128432a93
1216044957
13b200873
14721685d
154ad7421
hex3358453

53838931 has 2 divisors, whose sum is σ = 53838932. Its totient is φ = 53838930.

The previous prime is 53838901. The next prime is 53838947. The reversal of 53838931 is 13983835.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53838931 - 213 = 53830739 is a prime.

It is a super-2 number, since 2×538389312 = 5797260982445522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53838901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26919465 + 26919466.

It is an arithmetic number, because the mean of its divisors is an integer number (26919466).

Almost surely, 253838931 is an apocalyptic number.

53838931 is a deficient number, since it is larger than the sum of its proper divisors (1).

53838931 is an equidigital number, since it uses as much as digits as its factorization.

53838931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 53838931 is about 7337.5016865415. The cubic root of 53838931 is about 377.6001365859.

The spelling of 53838931 in words is "fifty-three million, eight hundred thirty-eight thousand, nine hundred thirty-one".