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230248018 = 271113472447
BaseRepresentation
bin11011011100101…
…00111001010010
3121001020210220101
431232110321102
5432420414033
634503003014
75464035010
oct1556247122
9531223811
10230248018
11108a72820
126513946a
1338918140
14228178b0
151533197d
hexdb94e52

230248018 has 64 divisors (see below), whose sum is σ = 473776128. Its totient is φ = 81011520.

The previous prime is 230248001. The next prime is 230248043. The reversal of 230248018 is 810842032.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92871 + ... + 95317.

It is an arithmetic number, because the mean of its divisors is an integer number (7402752).

Almost surely, 2230248018 is an apocalyptic number.

230248018 is an abundant number, since it is smaller than the sum of its proper divisors (243528110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230248018 is a wasteful number, since it uses less digits than its factorization.

230248018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 230248018 is about 15173.9255962325. The cubic root of 230248018 is about 612.9127185328.

The spelling of 230248018 in words is "two hundred thirty million, two hundred forty-eight thousand, eighteen".

Divisors: 1 2 7 11 13 14 22 26 47 77 91 94 143 154 182 286 329 517 611 658 1001 1034 1222 2002 2447 3619 4277 4894 6721 7238 8554 13442 17129 26917 31811 34258 47047 53834 63622 94094 115009 188419 222677 230018 349921 376838 445354 699842 805063 1265099 1495117 1610126 2449447 2530198 2990234 4898894 8855693 10465819 16446287 17711386 20931638 32892574 115124009 230248018