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230246651 = 997323087
BaseRepresentation
bin11011011100101…
…00100011111011
3121001020202000202
431232110203323
5432420343101
634502552415
75464031015
oct1556244373
9531222022
10230246651
11108a71798
126513870b
133891762b
14228171b5
151533136b
hexdb948fb

230246651 has 4 divisors (see below), whose sum is σ = 230279712. Its totient is φ = 230213592.

The previous prime is 230246609. The next prime is 230246683. The reversal of 230246651 is 156642032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230246651 - 26 = 230246587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230242651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571 + ... + 21516.

It is an arithmetic number, because the mean of its divisors is an integer number (57569928).

Almost surely, 2230246651 is an apocalyptic number.

230246651 is a deficient number, since it is larger than the sum of its proper divisors (33061).

230246651 is an equidigital number, since it uses as much as digits as its factorization.

230246651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33060.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 230246651 is about 15173.8805517903. The cubic root of 230246651 is about 612.9115055606.

Adding to 230246651 its reverse (156642032), we get a palindrome (386888683).

The spelling of 230246651 in words is "two hundred thirty million, two hundred forty-six thousand, six hundred fifty-one".

Divisors: 1 9973 23087 230246651