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23404049 is a prime number
BaseRepresentation
bin101100101000…
…1111000010001
31122001001022122
41121101320101
521442412144
62153344025
7402634244
oct131217021
948031278
1023404049
1112235899
127a08015
134b05966
14317325b
1520c47ee
hex1651e11

23404049 has 2 divisors, whose sum is σ = 23404050. Its totient is φ = 23404048.

The previous prime is 23404033. The next prime is 23404057. The reversal of 23404049 is 94040432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19963024 + 3441025 = 4468^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 23404049 - 24 = 23404033 is a prime.

It is a Chen prime.

It is equal to p1472048 and since 23404049 and 1472048 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (23404009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11702024 + 11702025.

It is an arithmetic number, because the mean of its divisors is an integer number (11702025).

Almost surely, 223404049 is an apocalyptic number.

It is an amenable number.

23404049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23404049 is an equidigital number, since it uses as much as digits as its factorization.

23404049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23404049 is about 4837.7731447434. The cubic root of 23404049 is about 286.0423470638.

The spelling of 23404049 in words is "twenty-three million, four hundred four thousand, forty-nine".