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BaseRepresentation
bin111010100111010100
3110012100000
4322213110
530140314
65051300
72016645
oct724724
9405300
10240084
11154419
12b6b30
1385380
14636cc
154b209
hex3a9d4

240084 has 72 divisors (see below), whose sum is σ = 713440. Its totient is φ = 69984.

The previous prime is 240073. The next prime is 240089. The reversal of 240084 is 480042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240089) by changing a digit.

240084 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 23 ways as a sum of consecutive naturals, for example, 12627 + ... + 12645.

2240084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356720).

240084 is an abundant number, since it is smaller than the sum of its proper divisors (473356).

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

240084 is a wasteful number, since it uses less digits than its factorization.

240084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 240084 is about 489.9836731974. The cubic root of 240084 is about 62.1518994826.

The spelling of 240084 in words is "two hundred forty thousand, eighty-four".