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830220220 = 22547883213
BaseRepresentation
bin110001011111000…
…010011110111100
32010212012120001001
4301133002132330
53200014021340
6214214300044
726400520054
oct6137023674
92125176031
10830220220
11396701815
121b2057624
1310300418b
147c394564
154cd4629a
hex317c27bc

830220220 has 24 divisors (see below), whose sum is σ = 1780559424. Its totient is φ = 325022016.

The previous prime is 830220217. The next prime is 830220227. The reversal of 830220220 is 22022038.

It is a super-2 number, since 2×8302202202 = 1378531227393696800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830220227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440667 + ... + 442546.

It is an arithmetic number, because the mean of its divisors is an integer number (74189976).

Almost surely, 2830220220 is an apocalyptic number.

It is an amenable number.

830220220 is an abundant number, since it is smaller than the sum of its proper divisors (950339204).

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

830220220 is a wasteful number, since it uses less digits than its factorization.

830220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883269 (or 883267 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 830220220 is about 28813.5423021884. The cubic root of 830220220 is about 939.8627459173.

Adding to 830220220 its reverse (22022038), we get a palindrome (852242258).

The spelling of 830220220 in words is "eight hundred thirty million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 883213 1766426 3532852 4416065 8832130 17664260 41511011 83022022 166044044 207555055 415110110 830220220