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23379493 is a prime number
BaseRepresentation
bin101100100101…
…1111000100101
31121222210122011
41121023320211
521441120433
62153034221
7402502534
oct131137045
947883564
1023379493
11122193a5
1279b5971
134ac7727
14316831b
1520bc3cd
hex164be25

23379493 has 2 divisors, whose sum is σ = 23379494. Its totient is φ = 23379492.

The previous prime is 23379457. The next prime is 23379509. The reversal of 23379493 is 39497332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21836929 + 1542564 = 4673^2 + 1242^2 .

It is a cyclic number.

It is not a de Polignac number, because 23379493 - 221 = 21282341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23379793) 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, 11689746 + 11689747.

It is an arithmetic number, because the mean of its divisors is an integer number (11689747).

Almost surely, 223379493 is an apocalyptic number.

It is an amenable number.

23379493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23379493 is an equidigital number, since it uses as much as digits as its factorization.

23379493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 40.

The square root of 23379493 is about 4835.2345341255. The cubic root of 23379493 is about 285.9422715897.

The spelling of 23379493 in words is "twenty-three million, three hundred seventy-nine thousand, four hundred ninety-three".