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230510055 = 35173312731
BaseRepresentation
bin11011011110101…
…00110111100111
3121001202010100110
431233110313213
5433002310210
634512344103
75466205656
oct1557246747
9531663313
10230510055
11109131686
1265245033
13389aa4a9
142288519d
1515384420
hexdbd4de7

230510055 has 32 divisors (see below), whose sum is σ = 391834368. Its totient is φ = 115315200.

The previous prime is 230510053. The next prime is 230510087. The reversal of 230510055 is 550015032.

It is not a de Polignac number, because 230510055 - 21 = 230510053 is a prime.

It is a super-2 number, since 2×2305100552 = 106269770912206050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230510051) 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 31 ways as a sum of consecutive naturals, for example, 83040 + ... + 85770.

It is an arithmetic number, because the mean of its divisors is an integer number (12244824).

Almost surely, 2230510055 is an apocalyptic number.

230510055 is a deficient number, since it is larger than the sum of its proper divisors (161324313).

230510055 is a wasteful number, since it uses less digits than its factorization.

230510055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 230510055 is about 15182.5575908672. The cubic root of 230510055 is about 613.1451417017.

Adding to 230510055 its reverse (550015032), we get a palindrome (780525087).

The spelling of 230510055 in words is "two hundred thirty million, five hundred ten thousand, fifty-five".

Divisors: 1 3 5 15 17 51 85 255 331 993 1655 2731 4965 5627 8193 13655 16881 28135 40965 46427 84405 139281 232135 696405 903961 2711883 4519805 13559415 15367337 46102011 76836685 230510055