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50028680 = 23513234789
BaseRepresentation
bin1011111011011…
…0000010001000
310111010201110002
42332312002020
5100301404210
64544142132
71145144132
oct276660210
9114121402
1050028680
1126270319
1214907948
13a498490
146904052
1545d34a5
hex2fb6088

50028680 has 128 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 17098752.

The previous prime is 50028679. The next prime is 50028697. The reversal of 50028680 is 8682005.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562076 + ... + 562164.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 250028680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50028680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65318400).

50028680 is an abundant number, since it is smaller than the sum of its proper divisors (80608120).

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

50028680 is a wasteful number, since it uses less digits than its factorization.

50028680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 50028680 is about 7073.0955033846. The cubic root of 50028680 is about 368.4735750827.

The spelling of 50028680 in words is "fifty million, twenty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 23 26 40 46 47 52 65 89 92 94 104 115 130 178 184 188 230 235 260 299 356 376 445 460 470 520 598 611 712 890 920 940 1081 1157 1196 1222 1495 1780 1880 2047 2162 2314 2392 2444 2990 3055 3560 4094 4183 4324 4628 4888 5405 5785 5980 6110 8188 8366 8648 9256 10235 10810 11570 11960 12220 14053 16376 16732 20470 20915 21620 23140 24440 26611 28106 33464 40940 41830 43240 46280 53222 54379 56212 70265 81880 83660 96209 106444 108758 112424 133055 140530 167320 192418 212888 217516 266110 271895 281060 384836 435032 481045 532220 543790 562120 769672 962090 1064440 1087580 1250717 1924180 2175160 2501434 3848360 5002868 6253585 10005736 12507170 25014340 50028680