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89452897 is a prime number
BaseRepresentation
bin1010101010011…
…11000101100001
320020022200022021
411111033011201
5140344443042
612513141441
72134223422
oct525170541
9206280267
1089452897
1146548316
1225b5a881
13156bcc11
14bc47649
157cbe867
hex554f161

89452897 has 2 divisors, whose sum is σ = 89452898. Its totient is φ = 89452896.

The previous prime is 89452879. The next prime is 89452903. The reversal of 89452897 is 79825498.

Together with previous prime (89452879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 37957921 = 7176^2 + 6161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89452897 is a prime.

It is not a weakly prime, because it can be changed into another prime (89452807) 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, 44726448 + 44726449.

It is an arithmetic number, because the mean of its divisors is an integer number (44726449).

Almost surely, 289452897 is an apocalyptic number.

It is an amenable number.

89452897 is a deficient number, since it is larger than the sum of its proper divisors (1).

89452897 is an equidigital number, since it uses as much as digits as its factorization.

89452897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The square root of 89452897 is about 9457.9541656745. The cubic root of 89452897 is about 447.2305580233.

The spelling of 89452897 in words is "eighty-nine million, four hundred fifty-two thousand, eight hundred ninety-seven".