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93992431 = 1312795653
BaseRepresentation
bin1011001101000…
…11010111101111
320112212022101011
411212203113233
5143030224211
613154330051
72220631261
oct546432757
9215768334
1093992431
11490689a5
1227589927
131661c230
14c6a9b31
1583b9921
hex59a35ef

93992431 has 8 divisors (see below), whose sum is σ = 101319680. Its totient is φ = 86679072.

The previous prime is 93992429. The next prime is 93992441. The reversal of 93992431 is 13429939.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 93992431 - 21 = 93992429 is a prime.

It is a super-2 number, since 2×939924312 = 17669154170579522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93992401) 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 in 7 ways as a sum of consecutive naturals, for example, 13801 + ... + 19453.

It is an arithmetic number, because the mean of its divisors is an integer number (12664960).

Almost surely, 293992431 is an apocalyptic number.

93992431 is a deficient number, since it is larger than the sum of its proper divisors (7327249).

93992431 is a wasteful number, since it uses less digits than its factorization.

93992431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945.

The product of its digits is 52488, while the sum is 40.

The square root of 93992431 is about 9694.9693656040. The cubic root of 93992431 is about 454.6713901489.

The spelling of 93992431 in words is "ninety-three million, nine hundred ninety-two thousand, four hundred thirty-one".

Divisors: 1 13 1279 5653 16627 73489 7230187 93992431