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102870413 is a prime number
BaseRepresentation
bin1100010000110…
…10110110001101
321011120100200022
412020122312031
5202313323123
614112511525
72356245512
oct610326615
9234510608
10102870413
1153082078
122a54b5a5
131840a189
14d93b309
1590701c8
hex621ad8d

102870413 has 2 divisors, whose sum is σ = 102870414. Its totient is φ = 102870412.

The previous prime is 102870407. The next prime is 102870433. The reversal of 102870413 is 314078201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 33431524 = 8333^2 + 5782^2 .

It is an emirp because it is prime and its reverse (314078201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102870413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102870433) 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, 51435206 + 51435207.

It is an arithmetic number, because the mean of its divisors is an integer number (51435207).

Almost surely, 2102870413 is an apocalyptic number.

It is an amenable number.

102870413 is a deficient number, since it is larger than the sum of its proper divisors (1).

102870413 is an equidigital number, since it uses as much as digits as its factorization.

102870413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 102870413 is about 10142.5052625079. The cubic root of 102870413 is about 468.5581480250.

The spelling of 102870413 in words is "one hundred two million, eight hundred seventy thousand, four hundred thirteen".