Search a number
-
+
88399 = 109811
BaseRepresentation
bin10101100101001111
311111021001
4111211033
510312044
61521131
7515503
oct254517
9144231
1088399
1160463
12431a7
133130c
1424303
151b2d4
hex1594f

88399 has 4 divisors (see below), whose sum is σ = 89320. Its totient is φ = 87480.

The previous prime is 88397. The next prime is 88411. The reversal of 88399 is 99388.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 88399 - 21 = 88397 is a prime.

It is a Duffinian number.

It is a congruent 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, 297 + ... + 514.

It is an arithmetic number, because the mean of its divisors is an integer number (22330).

288399 is an apocalyptic number.

88399 is a deficient number, since it is larger than the sum of its proper divisors (921).

88399 is a wasteful number, since it uses less digits than its factorization.

88399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920.

The product of its digits is 15552, while the sum is 37.

The square root of 88399 is about 297.3196932596. The cubic root of 88399 is about 44.5467253181.

The spelling of 88399 in words is "eighty-eight thousand, three hundred ninety-nine".

Divisors: 1 109 811 88399