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88385449 is a prime number
BaseRepresentation
bin1010100010010…
…10011110101001
320011022110001011
411101022132221
5140111313244
612434223521
72122156345
oct521123651
9204273034
1088385449
1145989329
1225724ba1
13154080a9
14ba4a625
157b5d434
hex544a7a9

88385449 has 2 divisors, whose sum is σ = 88385450. Its totient is φ = 88385448.

The previous prime is 88385447. The next prime is 88385467. The reversal of 88385449 is 94458388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68359824 + 20025625 = 8268^2 + 4475^2 .

It is a cyclic number.

It is not a de Polignac number, because 88385449 - 21 = 88385447 is a prime.

Together with 88385447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (88385443) 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, 44192724 + 44192725.

It is an arithmetic number, because the mean of its divisors is an integer number (44192725).

Almost surely, 288385449 is an apocalyptic number.

It is an amenable number.

88385449 is a deficient number, since it is larger than the sum of its proper divisors (1).

88385449 is an equidigital number, since it uses as much as digits as its factorization.

88385449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 49.

The square root of 88385449 is about 9401.3535727575. The cubic root of 88385449 is about 445.4444895929. Note that the first 4 decimals are identical.

The spelling of 88385449 in words is "eighty-eight million, three hundred eighty-five thousand, four hundred forty-nine".