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242706 = 23192129
BaseRepresentation
bin111011010000010010
3110022221010
4323100102
530231311
65111350
72030412
oct732022
9408833
10242706
11156392
12b8556
1386619
1464642
154bda6
hex3b412

242706 has 16 divisors (see below), whose sum is σ = 511200. Its totient is φ = 76608.

The previous prime is 242689. The next prime is 242713. The reversal of 242706 is 607242.

It is a happy number.

242706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

242706 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, 951 + ... + 1178.

It is an arithmetic number, because the mean of its divisors is an integer number (31950).

2242706 is an apocalyptic number.

242706 is an abundant number, since it is smaller than the sum of its proper divisors (268494).

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

242706 is a wasteful number, since it uses less digits than its factorization.

242706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 242706 is about 492.6520069989. The cubic root of 242706 is about 62.3773380890.

Adding to 242706 its reverse (607242), we get a palindrome (849948).

The spelling of 242706 in words is "two hundred forty-two thousand, seven hundred six".

Divisors: 1 2 3 6 19 38 57 114 2129 4258 6387 12774 40451 80902 121353 242706