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230651 = 263877
BaseRepresentation
bin111000010011111011
3102201101122
4320103323
524340101
64535455
71650311
oct702373
9381348
10230651
11148323
12b158b
1380ca5
14600b1
154851b
hex384fb

230651 has 4 divisors (see below), whose sum is σ = 231792. Its totient is φ = 229512.

The previous prime is 230647. The next prime is 230653. The reversal of 230651 is 156032.

Adding to 230651 its reverse (156032), we get a palindrome (386683).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 230651 - 22 = 230647 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 230651.

It is not an unprimeable number, because it can be changed into a prime (230653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (57948).

2230651 is an apocalyptic number.

230651 is a deficient number, since it is larger than the sum of its proper divisors (1141).

230651 is an equidigital number, since it uses as much as digits as its factorization.

230651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 230651 is about 480.2613871633. The cubic root of 230651 is about 61.3270085108.

The spelling of 230651 in words is "two hundred thirty thousand, six hundred fifty-one".

Divisors: 1 263 877 230651