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113240 = 23519149
BaseRepresentation
bin11011101001011000
312202100002
4123221120
512110430
62232132
7651101
oct335130
9182302
10113240
1178096
1255648
133c70a
142d3a8
1523845
hex1ba58

113240 has 32 divisors (see below), whose sum is σ = 270000. Its totient is φ = 42624.

The previous prime is 113233. The next prime is 113279. The reversal of 113240 is 42311.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

113240 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686 + ... + 834.

2113240 is an apocalyptic number.

113240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135000).

113240 is an abundant number, since it is smaller than the sum of its proper divisors (156760).

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

113240 is a wasteful number, since it uses less digits than its factorization.

113240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 113240 is about 336.5115154047. The cubic root of 113240 is about 48.3800842406.

Adding to 113240 its reverse (42311), we get a palindrome (155551).

It can be divided in two parts, 113 and 240, that added together give a palindrome (353).

The spelling of 113240 in words is "one hundred thirteen thousand, two hundred forty".