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23182949 is a prime number
BaseRepresentation
bin101100001101…
…1111001100101
31121121211000202
41120123321211
521413323244
62144520245
7401023526
oct130337145
947554022
1023182949
11120a4769
127920085
134a5912a
14311684d
15207e04e
hex161be65

23182949 has 2 divisors, whose sum is σ = 23182950. Its totient is φ = 23182948.

The previous prime is 23182933. The next prime is 23182963. The reversal of 23182949 is 94928132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16957924 + 6225025 = 4118^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 23182949 - 24 = 23182933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23142949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11591474 + 11591475.

It is an arithmetic number, because the mean of its divisors is an integer number (11591475).

Almost surely, 223182949 is an apocalyptic number.

It is an amenable number.

23182949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23182949 is an equidigital number, since it uses as much as digits as its factorization.

23182949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 23182949 is about 4814.8674955807. The cubic root of 23182949 is about 285.1387402875.

The spelling of 23182949 in words is "twenty-three million, one hundred eighty-two thousand, nine hundred forty-nine".