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230330220 = 22358943133
BaseRepresentation
bin11011011101010…
…00111101101100
3121001101222122220
431232220331230
5432431031340
634504435340
75464526451
oct1556507554
9531358586
10230330220
1110901955a
1265178b50
1338946693
1422839828
151534aed0
hexdba8f6c

230330220 has 48 divisors (see below), whose sum is σ = 652186080. Its totient is φ = 60729856.

The previous prime is 230330203. The next prime is 230330237. The reversal of 230330220 is 22033032.

It is an interprime number because it is at equal distance from previous prime (230330203) and next prime (230330237).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230330220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16227 + ... + 26906.

It is an arithmetic number, because the mean of its divisors is an integer number (13587210).

Almost surely, 2230330220 is an apocalyptic number.

230330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230330220 is an abundant number, since it is smaller than the sum of its proper divisors (421855860).

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

230330220 is a wasteful number, since it uses less digits than its factorization.

230330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43234 (or 43232 counting only the distinct ones).

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

The square root of 230330220 is about 15176.6340141680. The cubic root of 230330220 is about 612.9856495358.

Adding to 230330220 its reverse (22033032), we get a palindrome (252363252).

It can be divided in two parts, 2303 and 30220, that added together give a palindrome (32523).

The spelling of 230330220 in words is "two hundred thirty million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 43133 86266 129399 172532 215665 258798 431330 517596 646995 862660 1293990 2587980 3838837 7677674 11516511 15355348 19194185 23033022 38388370 46066044 57582555 76776740 115165110 230330220