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2241305220 = 2235711485131
BaseRepresentation
bin1000010110010111…
…1001101010000100
312210012102002202110
42011211321222010
514042233231340
61010222541020
7106353531360
oct20545715204
95705362673
102241305220
11a50181870
12526737770
1329946430b
141739502a0
15d1b7a680
hex85979a84

2241305220 has 96 divisors (see below), whose sum is σ = 7824208896. Its totient is φ = 465724800.

The previous prime is 2241305207. The next prime is 2241305237. The reversal of 2241305220 is 225031422.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 237946 + ... + 247185.

It is an arithmetic number, because the mean of its divisors is an integer number (81502176).

Almost surely, 22241305220 is an apocalyptic number.

2241305220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2241305220 is an abundant number, since it is smaller than the sum of its proper divisors (5582903676).

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

2241305220 is a wasteful number, since it uses less digits than its factorization.

2241305220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485161 (or 485159 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2241305220 is about 47342.4251596810. The cubic root of 2241305220 is about 1308.6806093245.

Adding to 2241305220 its reverse (225031422), we get a palindrome (2466336642).

The spelling of 2241305220 in words is "two billion, two hundred forty-one million, three hundred five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 1155 1540 2310 4620 485131 970262 1455393 1940524 2425655 2910786 3395917 4851310 5336441 5821572 6791834 7276965 9702620 10187751 10672882 13583668 14553930 16009323 16979585 20375502 21345764 26682205 29107860 32018646 33959170 37355087 40751004 50938755 53364410 64037292 67918340 74710174 80046615 101877510 106728820 112065261 149420348 160093230 186775435 203755020 224130522 320186460 373550870 448261044 560326305 747101740 1120652610 2241305220