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93391 = 611531
BaseRepresentation
bin10110110011001111
311202002221
4112303033
510442031
62000211
7536164
oct266317
9152087
1093391
1164191
1246067
133367c
142606b
151ca11
hex16ccf

93391 has 4 divisors (see below), whose sum is σ = 94984. Its totient is φ = 91800.

The previous prime is 93383. The next prime is 93407. The reversal of 93391 is 19339.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19339 = 83233.

It is a cyclic number.

It is not a de Polignac number, because 93391 - 23 = 93383 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (23746).

293391 is an apocalyptic number.

93391 is a deficient number, since it is larger than the sum of its proper divisors (1593).

93391 is a wasteful number, since it uses less digits than its factorization.

93391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its digits is 729, while the sum is 25.

The square root of 93391 is about 305.5994109942. The cubic root of 93391 is about 45.3699543095.

It can be divided in two parts, 933 and 91, that added together give a 10-th power (1024 = 210).

The spelling of 93391 in words is "ninety-three thousand, three hundred ninety-one".

Divisors: 1 61 1531 93391