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230042230 = 25112091293
BaseRepresentation
bin11011011011000…
…10101001110110
3121000212100121121
431231202221312
5432342322410
634454334154
75462220025
oct1555425166
9530770547
10230042230
11108942150
126505a35a
1338875582
14227a28bc
15152e09da
hexdb62a76

230042230 has 16 divisors (see below), whose sum is σ = 451719504. Its totient is φ = 83651680.

The previous prime is 230042221. The next prime is 230042237. The reversal of 230042230 is 32240032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230042237) 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, 1045537 + ... + 1045756.

It is an arithmetic number, because the mean of its divisors is an integer number (28232469).

Almost surely, 2230042230 is an apocalyptic number.

230042230 is a deficient number, since it is larger than the sum of its proper divisors (221677274).

230042230 is a wasteful number, since it uses less digits than its factorization.

230042230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091311.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 230042230 is about 15167.1431060698. The cubic root of 230042230 is about 612.7300637891.

Adding to 230042230 its reverse (32240032), we get a palindrome (262282262).

The spelling of 230042230 in words is "two hundred thirty million, forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2091293 4182586 10456465 20912930 23004223 46008446 115021115 230042230