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87350293 is a prime number
BaseRepresentation
bin1010011010011…
…01110000010101
320002100212002001
411031031300111
5134330202133
612400115301
72110315402
oct515156025
9202325061
1087350293
1145341628
1225305b31
1315134b84
14b85b2a9
157a0687d
hex534dc15

87350293 has 2 divisors, whose sum is σ = 87350294. Its totient is φ = 87350292.

The previous prime is 87350287. The next prime is 87350317. The reversal of 87350293 is 39205378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83594449 + 3755844 = 9143^2 + 1938^2 .

It is a cyclic number.

It is not a de Polignac number, because 87350293 - 25 = 87350261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87350273) 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, 43675146 + 43675147.

It is an arithmetic number, because the mean of its divisors is an integer number (43675147).

Almost surely, 287350293 is an apocalyptic number.

It is an amenable number.

87350293 is a deficient number, since it is larger than the sum of its proper divisors (1).

87350293 is an equidigital number, since it uses as much as digits as its factorization.

87350293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 87350293 is about 9346.1378654501. The cubic root of 87350293 is about 443.6986650131.

The spelling of 87350293 in words is "eighty-seven million, three hundred fifty thousand, two hundred ninety-three".