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230085680 = 24511475563
BaseRepresentation
bin11011011011011…
…01010000110000
3121000221120012212
431231231100300
5432400220210
634455311252
75462460506
oct1555552060
9530846185
10230085680
11108971860
126507b528
133888c296
14227b4676
15152ed805
hexdb6d430

230085680 has 80 divisors (see below), whose sum is σ = 596104704. Its totient is φ = 81872640.

The previous prime is 230085679. The next prime is 230085719. The reversal of 230085680 is 86580032.

230085680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38579 + ... + 44141.

Almost surely, 2230085680 is an apocalyptic number.

230085680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230085680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298052352).

230085680 is an abundant number, since it is smaller than the sum of its proper divisors (366019024).

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

230085680 is a wasteful number, since it uses less digits than its factorization.

230085680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634 (or 5628 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 230085680 is about 15168.5754110266. The cubic root of 230085680 is about 612.7686385112.

The spelling of 230085680 in words is "two hundred thirty million, eighty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 47 55 80 88 94 110 176 188 220 235 376 440 470 517 752 880 940 1034 1880 2068 2585 3760 4136 5170 5563 8272 10340 11126 20680 22252 27815 41360 44504 55630 61193 89008 111260 122386 222520 244772 261461 305965 445040 489544 522922 611930 979088 1045844 1223860 1307305 2091688 2447720 2614610 2876071 4183376 4895440 5229220 5752142 10458440 11504284 14380355 20916880 23008568 28760710 46017136 57521420 115042840 230085680