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230113860 = 22353835231
BaseRepresentation
bin11011011011101…
…00001001000100
3121000222222212120
431231310021010
5432402120420
634500045540
75462635614
oct1555641104
9530888776
10230113860
11108990a49
12650938b0
133889c062
14227c0a44
1515306d40
hexdb74244

230113860 has 24 divisors (see below), whose sum is σ = 644318976. Its totient is φ = 61363680.

The previous prime is 230113859. The next prime is 230113867. The reversal of 230113860 is 68311032.

It is a self number, because there is not a number n which added to its sum of digits gives 230113860.

It is not an unprimeable number, because it can be changed into a prime (230113867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917556 + ... + 1917675.

It is an arithmetic number, because the mean of its divisors is an integer number (26846624).

Almost surely, 2230113860 is an apocalyptic number.

230113860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230113860 is an abundant number, since it is smaller than the sum of its proper divisors (414205116).

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

230113860 is a wasteful number, since it uses less digits than its factorization.

230113860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835243 (or 3835241 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 230113860 is about 15169.5042766730. The cubic root of 230113860 is about 612.7936539972.

Adding to 230113860 its reverse (68311032), we get a palindrome (298424892).

It can be divided in two parts, 2301 and 13860, that added together give a palindrome (16161).

The spelling of 230113860 in words is "two hundred thirty million, one hundred thirteen thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3835231 7670462 11505693 15340924 19176155 23011386 38352310 46022772 57528465 76704620 115056930 230113860