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109236 = 2239103
BaseRepresentation
bin11010101010110100
312112211210
4122222310
511443421
62201420
7633321
oct325264
9175753
10109236
1175086
1253270
133a94a
142bb48
1522576
hex1aab4

109236 has 12 divisors (see below), whose sum is σ = 254912. Its totient is φ = 36408.

The previous prime is 109229. The next prime is 109253. The reversal of 109236 is 632901.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540 + ... + 4563.

109236 is a Friedman number, since it can be written as 9103*6*2, using all its digits and the basic arithmetic operations.

2109236 is an apocalyptic number.

It is an amenable number.

109236 is an abundant number, since it is smaller than the sum of its proper divisors (145676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109236 is a wasteful number, since it uses less digits than its factorization.

109236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110 (or 9108 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 109236 is about 330.5086988265. The cubic root of 109236 is about 47.8030121291.

It can be divided in two parts, 1092 and 36, that added together give a triangular number (1128 = T47).

The spelling of 109236 in words is "one hundred nine thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 9103 18206 27309 36412 54618 109236