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230030043 = 3174510393
BaseRepresentation
bin11011011010111…
…11101011011011
3121000211201220020
431231133223123
5432341430133
634454201523
75462136345
oct1555375333
9530751806
10230030043
11108933a81
12650532a3
133886cb69
142279c295
15152dc0b3
hexdb5fadb

230030043 has 8 divisors (see below), whose sum is σ = 324748368. Its totient is φ = 144332544.

The previous prime is 230030039. The next prime is 230030051. The reversal of 230030043 is 340030032.

230030043 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230030043 - 22 = 230030039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230030083) 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, 2255146 + ... + 2255247.

It is an arithmetic number, because the mean of its divisors is an integer number (40593546).

Almost surely, 2230030043 is an apocalyptic number.

230030043 is a deficient number, since it is larger than the sum of its proper divisors (94718325).

230030043 is a wasteful number, since it uses less digits than its factorization.

230030043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510413.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 230030043 is about 15166.7413441385. The cubic root of 230030043 is about 612.7192433510.

Adding to 230030043 its reverse (340030032), we get a palindrome (570060075).

The spelling of 230030043 in words is "two hundred thirty million, thirty thousand, forty-three".

Divisors: 1 3 17 51 4510393 13531179 76676681 230030043