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230126507 = 1317702039
BaseRepresentation
bin11011011011101…
…11001110101011
3121001000122012222
431231313032223
5432403022012
634500224255
75463020522
oct1555671653
9531018188
10230126507
1110899a4a6
126509b08b
13388a4a40
14227c54b9
151530a972
hexdb773ab

230126507 has 4 divisors (see below), whose sum is σ = 247828560. Its totient is φ = 212424456.

The previous prime is 230126363. The next prime is 230126531. The reversal of 230126507 is 705621032.

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 230126507 - 28 = 230126251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230126557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8851007 + ... + 8851032.

It is an arithmetic number, because the mean of its divisors is an integer number (61957140).

Almost surely, 2230126507 is an apocalyptic number.

230126507 is a deficient number, since it is larger than the sum of its proper divisors (17702053).

230126507 is a wasteful number, since it uses less digits than its factorization.

230126507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17702052.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 230126507 is about 15169.9211270197. The cubic root of 230126507 is about 612.8048801200.

Adding to 230126507 its reverse (705621032), we get a palindrome (935747539).

The spelling of 230126507 in words is "two hundred thirty million, one hundred twenty-six thousand, five hundred seven".

Divisors: 1 13 17702039 230126507