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230092730 = 25724797103
BaseRepresentation
bin11011011011011…
…10111110111010
3121000221220212222
431231232332322
5432400431410
634455404042
75462520200
oct1555567672
9530856788
10230092730
1110897708a
1265083622
133889255a
14227b7070
1515300955
hexdb6efba

230092730 has 96 divisors (see below), whose sum is σ = 501935616. Its totient is φ = 75672576.

The previous prime is 230092729. The next prime is 230092741. The reversal of 230092730 is 37290032.

Together with 271842885 it forms a betrothed pair.

It is a self number, because there is not a number n which added to its sum of digits gives 230092730.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2233859 + ... + 2233961.

It is an arithmetic number, because the mean of its divisors is an integer number (5228496).

Almost surely, 2230092730 is an apocalyptic number.

230092730 is an abundant number, since it is smaller than the sum of its proper divisors (271842886).

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

230092730 is a wasteful number, since it uses less digits than its factorization.

230092730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 230092730 is about 15168.8077975825. The cubic root of 230092730 is about 612.7748970128.

The spelling of 230092730 in words is "two hundred thirty million, ninety-two thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 49 70 94 97 98 103 194 206 235 245 329 470 485 490 515 658 679 721 970 1030 1358 1442 1645 2303 3290 3395 3605 4559 4606 4753 4841 5047 6790 7210 9118 9506 9682 9991 10094 11515 19982 22795 23030 23765 24205 25235 31913 33887 45590 47530 48410 49955 50470 63826 67774 69937 99910 139874 159565 169435 223391 237209 319130 338870 349685 446782 469577 474418 489559 699370 939154 979118 1116955 1186045 2233910 2347885 2372090 2447795 3287039 4695770 4895590 6574078 16435195 23009273 32870390 46018546 115046365 230092730