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89493 = 3231297
BaseRepresentation
bin10101110110010101
311112202120
4111312111
510330433
61530153
7521625
oct256625
9145676
1089493
1161268
1243959
1331971
1424885
151b7b3
hex15d95

89493 has 8 divisors (see below), whose sum is σ = 124608. Its totient is φ = 57024.

The previous prime is 89491. The next prime is 89501. The reversal of 89493 is 39498.

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

It is not a de Polignac number, because 89493 - 21 = 89491 is a prime.

It is a Curzon number.

89493 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89493.

It is not an unprimeable number, because it can be changed into a prime (89491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 717.

It is an arithmetic number, because the mean of its divisors is an integer number (15576).

289493 is an apocalyptic number.

It is an amenable number.

89493 is a deficient number, since it is larger than the sum of its proper divisors (35115).

89493 is a wasteful number, since it uses less digits than its factorization.

89493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323.

The product of its digits is 7776, while the sum is 33.

The square root of 89493 is about 299.1538065945. The cubic root of 89493 is about 44.7297381302.

The spelling of 89493 in words is "eighty-nine thousand, four hundred ninety-three".

Divisors: 1 3 23 69 1297 3891 29831 89493