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23802013 is a prime number
BaseRepresentation
bin101101011001…
…1000010011101
31122210021020001
41122303002131
522043131023
62210054301
7406212424
oct132630235
948707201
1023802013
1112487894
127b7a391
134c14b41
1432382bb
1521526ad
hex16b309d

23802013 has 2 divisors, whose sum is σ = 23802014. Its totient is φ = 23802012.

The previous prime is 23802007. The next prime is 23802019. The reversal of 23802013 is 31020832.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (23802007) and next prime (23802019).

It can be written as a sum of positive squares in only one way, i.e., 12766329 + 11035684 = 3573^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 23802013 - 29 = 23801501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23802019) 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, 11901006 + 11901007.

It is an arithmetic number, because the mean of its divisors is an integer number (11901007).

Almost surely, 223802013 is an apocalyptic number.

It is an amenable number.

23802013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23802013 is an equidigital number, since it uses as much as digits as its factorization.

23802013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 23802013 is about 4878.7306750834. The cubic root of 23802013 is about 287.6545377116.

Adding to 23802013 its reverse (31020832), we get a palindrome (54822845).

The spelling of 23802013 in words is "twenty-three million, eight hundred two thousand, thirteen".