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230742 = 2334273
BaseRepresentation
bin111000010101010110
3102201112000
4320111112
524340432
64540130
71650501
oct702526
9381460
10230742
111483a6
12b1646
1381045
1460138
154857c
hex38556

230742 has 16 divisors (see below), whose sum is σ = 512880. Its totient is φ = 76896.

The previous prime is 230729. The next prime is 230743. The reversal of 230742 is 247032.

It is a happy number.

230742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 230742.

It is not an unprimeable number, because it can be changed into a prime (230743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (32055).

2230742 is an apocalyptic number.

230742 is an abundant number, since it is smaller than the sum of its proper divisors (282138).

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

230742 is a wasteful number, since it uses less digits than its factorization.

230742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4278 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 230742 is about 480.3561178959. The cubic root of 230742 is about 61.3350726770.

Adding to 230742 its reverse (247032), we get a palindrome (477774).

Subtracting 230742 from its reverse (247032), we obtain a triangular number (16290 = T180).

The spelling of 230742 in words is "two hundred thirty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 4273 8546 12819 25638 38457 76914 115371 230742