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230113560 = 233519100927
BaseRepresentation
bin11011011011101…
…00000100011000
3121000222222110110
431231310010120
5432402113220
634500044320
75462635005
oct1555640430
9530888413
10230113560
111089907a6
12650936a0
133889bb91
14227c08ac
1515306be0
hexdb74118

230113560 has 64 divisors (see below), whose sum is σ = 726681600. Its totient is φ = 58133376.

The previous prime is 230113519. The next prime is 230113561. The reversal of 230113560 is 65311032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230113561) 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 15 ways as a sum of consecutive naturals, for example, 48184 + ... + 52743.

It is an arithmetic number, because the mean of its divisors is an integer number (11354400).

Almost surely, 2230113560 is an apocalyptic number.

230113560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230113560 is an abundant number, since it is smaller than the sum of its proper divisors (496568040).

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

230113560 is a wasteful number, since it uses less digits than its factorization.

230113560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100960 (or 100956 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 230113560 is about 15169.4943884099. The cubic root of 230113560 is about 612.7933876969.

Adding to 230113560 its reverse (65311032), we get a palindrome (295424592).

The spelling of 230113560 in words is "two hundred thirty million, one hundred thirteen thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 2280 100927 201854 302781 403708 504635 605562 807416 1009270 1211124 1513905 1917613 2018540 2422248 3027810 3835226 4037080 5752839 6055620 7670452 9588065 11505678 12111240 15340904 19176130 23011356 28764195 38352260 46022712 57528390 76704520 115056780 230113560