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3040212220 = 225237279091
BaseRepresentation
bin1011010100110101…
…1111010011111100
321211212200210010121
42311031133103330
522211243242340
61221402144324
7135224243323
oct26515372374
97755623117
103040212220
111320136491
1270a1b20a4
13395b23856
1420bab30ba
1512bd8894a
hexb535f4fc

3040212220 has 48 divisors (see below), whose sum is σ = 6671927808. Its totient is φ = 1161483840.

The previous prime is 3040212181. The next prime is 3040212247. The reversal of 3040212220 is 222120403.

It is a junction number, because it is equal to n+sod(n) for n = 3040212194 and 3040212203.

It is a congruent number.

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, 329875 + ... + 338965.

It is an arithmetic number, because the mean of its divisors is an integer number (138998496).

Almost surely, 23040212220 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 3040212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3335963904).

3040212220 is an abundant number, since it is smaller than the sum of its proper divisors (3631715588).

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

3040212220 is a wasteful number, since it uses less digits than its factorization.

3040212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9850 (or 9848 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3040212220 is about 55138.1194818975. The cubic root of 3040212220 is about 1448.6649971728.

Adding to 3040212220 its reverse (222120403), we get a palindrome (3262332623).

The spelling of 3040212220 in words is "three billion, forty million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 727 1454 2908 3635 7270 9091 14540 16721 18182 33442 36364 45455 66884 83605 90910 167210 181820 209093 334420 418186 836372 1045465 2090930 4181860 6609157 13218314 26436628 33045785 66091570 132183140 152010611 304021222 608042444 760053055 1520106110 3040212220