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88393 = 372389
BaseRepresentation
bin10101100101001001
311111020211
4111211021
510312033
61521121
7515464
oct254511
9144224
1088393
1160458
12431a1
1331306
14242db
151b2cd
hex15949

88393 has 4 divisors (see below), whose sum is σ = 90820. Its totient is φ = 85968.

The previous prime is 88379. The next prime is 88397. The reversal of 88393 is 39388.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51529 + 36864 = 227^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 88393 - 29 = 87881 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88397) 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, 1158 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (22705).

288393 is an apocalyptic number.

It is an amenable number.

88393 is a deficient number, since it is larger than the sum of its proper divisors (2427).

88393 is a wasteful number, since it uses less digits than its factorization.

88393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426.

The product of its digits is 5184, while the sum is 31.

The square root of 88393 is about 297.3096029394. The cubic root of 88393 is about 44.5457174394.

The spelling of 88393 in words is "eighty-eight thousand, three hundred ninety-three".

Divisors: 1 37 2389 88393