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93142871 is a prime number
BaseRepresentation
bin1011000110100…
…11111101010111
320111021010222222
411203103331113
5142321032441
613124212555
72210462363
oct543237527
9214233888
1093142871
1148638688
122723a15b
13163b2633
14c5282a3
15829cd4b
hex58d3f57

93142871 has 2 divisors, whose sum is σ = 93142872. Its totient is φ = 93142870.

The previous prime is 93142831. The next prime is 93142877. The reversal of 93142871 is 17824139.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-93142871 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 (93142877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46571435 + 46571436.

It is an arithmetic number, because the mean of its divisors is an integer number (46571436).

Almost surely, 293142871 is an apocalyptic number.

93142871 is a deficient number, since it is larger than the sum of its proper divisors (1).

93142871 is an equidigital number, since it uses as much as digits as its factorization.

93142871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 93142871 is about 9651.0554345108. The cubic root of 93142871 is about 453.2973777832.

The spelling of 93142871 in words is "ninety-three million, one hundred forty-two thousand, eight hundred seventy-one".