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102091453 is a prime number
BaseRepresentation
bin1100001010111…
…00101010111101
321010002210010221
412011130222331
5202113411303
614044101341
72346522502
oct605345275
9233083127
10102091453
115269a902
122a234851
13181c6759
14d7b74a9
158e694bd
hex615cabd

102091453 has 2 divisors, whose sum is σ = 102091454. Its totient is φ = 102091452.

The previous prime is 102091447. The next prime is 102091481. The reversal of 102091453 is 354190201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64673764 + 37417689 = 8042^2 + 6117^2 .

It is an emirp because it is prime and its reverse (354190201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102091453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102094453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51045726 + 51045727.

It is an arithmetic number, because the mean of its divisors is an integer number (51045727).

Almost surely, 2102091453 is an apocalyptic number.

It is an amenable number.

102091453 is a deficient number, since it is larger than the sum of its proper divisors (1).

102091453 is an equidigital number, since it uses as much as digits as its factorization.

102091453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 102091453 is about 10104.0315221203. The cubic root of 102091453 is about 467.3724711485.

The spelling of 102091453 in words is "one hundred two million, ninety-one thousand, four hundred fifty-three".