Search a number
-
+
49404931 is a prime number
BaseRepresentation
bin1011110001110…
…1110000000011
310102222000211021
42330131300003
5100121424211
64522530311
71136635462
oct274356003
9112860737
1049404931
1125984724
1214666997
13a30a5b4
1467c09d9
15450d771
hex2f1dc03

49404931 has 2 divisors, whose sum is σ = 49404932. Its totient is φ = 49404930.

The previous prime is 49404919. The next prime is 49404967. The reversal of 49404931 is 13940494.

49404931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49404931 - 223 = 41016323 is a prime.

It is a super-2 number, since 2×494049312 = 4881694414229522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49401931) 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, 24702465 + 24702466.

It is an arithmetic number, because the mean of its divisors is an integer number (24702466).

Almost surely, 249404931 is an apocalyptic number.

49404931 is a deficient number, since it is larger than the sum of its proper divisors (1).

49404931 is an equidigital number, since it uses as much as digits as its factorization.

49404931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 49404931 is about 7028.8641329876. The cubic root of 49404931 is about 366.9358112985.

It can be divided in two parts, 4940493 and 1, that added together give a palindrome (4940494).

The spelling of 49404931 in words is "forty-nine million, four hundred four thousand, nine hundred thirty-one".