Search a number
-
+
109259 = 176427
BaseRepresentation
bin11010101011001011
312112212122
4122223023
511444014
62201455
7633353
oct325313
9175778
10109259
11750a7
125328b
133a967
142bb63
152258e
hex1aacb

109259 has 4 divisors (see below), whose sum is σ = 115704. Its totient is φ = 102816.

The previous prime is 109253. The next prime is 109267. The reversal of 109259 is 952901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952901 = 1756053.

It is a de Polignac number, because none of the positive numbers 2k-109259 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (109253) 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, 3197 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (28926).

2109259 is an apocalyptic number.

109259 is a deficient number, since it is larger than the sum of its proper divisors (6445).

109259 is an equidigital number, since it uses as much as digits as its factorization.

109259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 109259 is about 330.5434918434. The cubic root of 109259 is about 47.8063669209.

The spelling of 109259 in words is "one hundred nine thousand, two hundred fifty-nine".

Divisors: 1 17 6427 109259