Search a number
-
+
109418 = 254709
BaseRepresentation
bin11010101101101010
312120002112
4122231222
512000133
62202322
7634001
oct325552
9176075
10109418
1175231
12533a2
133aa5a
142bc38
1522648
hex1ab6a

109418 has 4 divisors (see below), whose sum is σ = 164130. Its totient is φ = 54708.

The previous prime is 109397. The next prime is 109423. The reversal of 109418 is 814901.

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

It can be written as a sum of positive squares in only one way, i.e., 97969 + 11449 = 313^2 + 107^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 109393 and 109402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27353 + ... + 27356.

2109418 is an apocalyptic number.

109418 is a deficient number, since it is larger than the sum of its proper divisors (54712).

109418 is an equidigital number, since it uses as much as digits as its factorization.

109418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54711.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 109418 is about 330.7839173841. The cubic root of 109418 is about 47.8295458751.

The spelling of 109418 in words is "one hundred nine thousand, four hundred eighteen".

Divisors: 1 2 54709 109418