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102452501 is a prime number
BaseRepresentation
bin1100001101101…
…00110100010101
321010210010102002
412012310310111
5202211440001
614055525045
72352555224
oct606646425
9233703362
10102452501
1152917098
122a389785
13182c1ba8
14d86ccbb
158edb46b
hex61b4d15

102452501 has 2 divisors, whose sum is σ = 102452502. Its totient is φ = 102452500.

The previous prime is 102452491. The next prime is 102452513. The reversal of 102452501 is 105254201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72760900 + 29691601 = 8530^2 + 5449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102452501 is a prime.

It is a super-2 number, since 2×1024525012 = 20993029922310002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102452521) 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, 51226250 + 51226251.

It is an arithmetic number, because the mean of its divisors is an integer number (51226251).

Almost surely, 2102452501 is an apocalyptic number.

It is an amenable number.

102452501 is a deficient number, since it is larger than the sum of its proper divisors (1).

102452501 is an equidigital number, since it uses as much as digits as its factorization.

102452501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 102452501 is about 10121.8822854250. The cubic root of 102452501 is about 467.9227795864.

The spelling of 102452501 in words is "one hundred two million, four hundred fifty-two thousand, five hundred one".