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230042951 is a prime number
BaseRepresentation
bin11011011011000…
…10110101000111
3121000212101121022
431231202311013
5432342333301
634454341355
75462222105
oct1555426507
9530771538
10230042951
11108942746
126505a85b
13388759b8
14227a2c75
15152e0d1b
hexdb62d47

230042951 has 2 divisors, whose sum is σ = 230042952. Its totient is φ = 230042950.

The previous prime is 230042927. The next prime is 230042977. The reversal of 230042951 is 159240032.

It is an a-pointer prime, because the next prime (230042977) can be obtained adding 230042951 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230042951 - 218 = 229780807 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230042951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230042051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115021475 + 115021476.

It is an arithmetic number, because the mean of its divisors is an integer number (115021476).

Almost surely, 2230042951 is an apocalyptic number.

230042951 is a deficient number, since it is larger than the sum of its proper divisors (1).

230042951 is an equidigital number, since it uses as much as digits as its factorization.

230042951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 230042951 is about 15167.1668745353. The cubic root of 230042951 is about 612.7307039294.

Adding to 230042951 its reverse (159240032), we get a palindrome (389282983).

The spelling of 230042951 in words is "two hundred thirty million, forty-two thousand, nine hundred fifty-one".