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93289 = 713327
BaseRepresentation
bin10110110001101001
311201222011
4112301221
510441124
61555521
7535660
oct266151
9151864
1093289
11640a9
1245ba1
1333601
1425dd7
151c994
hex16c69

93289 has 4 divisors (see below), whose sum is σ = 106624. Its totient is φ = 79956.

The previous prime is 93287. The next prime is 93307. The reversal of 93289 is 98239.

Subtracting from 93289 its product of digits (3888), we obtain a square (89401 = 2992).

Subtracting 93289 from its reverse (98239), we obtain a triangular number (4950 = T99).

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98239 = 313169.

It is a cyclic number.

It is not a de Polignac number, because 93289 - 21 = 93287 is a prime.

93289 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 93289.

It is not an unprimeable number, because it can be changed into a prime (93281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6657 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (26656).

293289 is an apocalyptic number.

It is an amenable number.

93289 is a deficient number, since it is larger than the sum of its proper divisors (13335).

93289 is a wasteful number, since it uses less digits than its factorization.

93289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334.

The product of its digits is 3888, while the sum is 31.

The square root of 93289 is about 305.4324802636. The cubic root of 93289 is about 45.3534308717.

The spelling of 93289 in words is "ninety-three thousand, two hundred eighty-nine".

Divisors: 1 7 13327 93289