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230830 = 2541563
BaseRepresentation
bin111000010110101110
3102201122021
4320112232
524341310
64540354
71650655
oct702656
9381567
10230830
11148476
12b16ba
13810b2
146019c
15485da
hex385ae

230830 has 16 divisors (see below), whose sum is σ = 426384. Its totient is φ = 89920.

The previous prime is 230827. The next prime is 230833. The reversal of 230830 is 38032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230827) and next prime (230833).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230833) 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, 129 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (26649).

2230830 is an apocalyptic number.

230830 is a deficient number, since it is larger than the sum of its proper divisors (195554).

230830 is a wasteful number, since it uses less digits than its factorization.

230830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230830 is about 480.4477078726. The cubic root of 230830 is about 61.3428689753.

Adding to 230830 its reverse (38032), we get a palindrome (268862).

The spelling of 230830 in words is "two hundred thirty thousand, eight hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 563 1126 2815 5630 23083 46166 115415 230830