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2201739220 = 225110086961
BaseRepresentation
bin1000001100111011…
…1101111111010100
312200102221221102001
42003032331333110
514002121123340
61002250525044
7105363321532
oct20316757724
95612857361
102201739220
11a2a90829a
12515436784
132911c0195
1416c5b1152
15cd46229a
hex833bdfd4

2201739220 has 12 divisors (see below), whose sum is σ = 4623652404. Its totient is φ = 880695680.

The previous prime is 2201739217. The next prime is 2201739311. The reversal of 2201739220 is 229371022.

It can be written as a sum of positive squares in 2 ways, for example, as 306530064 + 1895209156 = 17508^2 + 43534^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55043461 + ... + 55043500.

It is an arithmetic number, because the mean of its divisors is an integer number (385304367).

Almost surely, 22201739220 is an apocalyptic number.

2201739220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201739220 is an abundant number, since it is smaller than the sum of its proper divisors (2421913184).

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

2201739220 is a wasteful number, since it uses less digits than its factorization.

2201739220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110086970 (or 110086968 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2201739220 is about 46922.6940829275. The cubic root of 2201739220 is about 1300.9340860689.

The spelling of 2201739220 in words is "two billion, two hundred one million, seven hundred thirty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 110086961 220173922 440347844 550434805 1100869610 2201739220