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102532891 is a prime number
BaseRepresentation
bin1100001110010…
…00011100011011
321010221012200111
412013020130123
5202222023031
614101345151
72353341466
oct607103433
9233835614
10102532891
115297152a
122a4081b7
131831c666
14d8902dd
1590051b1
hex61c871b

102532891 has 2 divisors, whose sum is σ = 102532892. Its totient is φ = 102532890.

The previous prime is 102532879. The next prime is 102532901. The reversal of 102532891 is 198235201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102532891 - 221 = 100435739 is a prime.

It is not a weakly prime, because it can be changed into another prime (102532861) 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, 51266445 + 51266446.

It is an arithmetic number, because the mean of its divisors is an integer number (51266446).

Almost surely, 2102532891 is an apocalyptic number.

102532891 is a deficient number, since it is larger than the sum of its proper divisors (1).

102532891 is an equidigital number, since it uses as much as digits as its factorization.

102532891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 102532891 is about 10125.8526060772. The cubic root of 102532891 is about 468.0451337751.

The spelling of 102532891 in words is "one hundred two million, five hundred thirty-two thousand, eight hundred ninety-one".