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2055097220 = 2251189104959
BaseRepresentation
bin111101001111110…
…0100101110000100
312022020000202101212
41322133210232010
513202101102340
6535531510552
7101633016041
oct17237445604
95266022355
102055097220
11965059a60
124942b8458
132699c8877
14156d1c1c8
15c0647a65
hex7a7e4b84

2055097220 has 48 divisors (see below), whose sum is σ = 4760985600. Its totient is φ = 738904320.

The previous prime is 2055097199. The next prime is 2055097271. The reversal of 2055097220 is 227905502.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32900 + ... + 72059.

It is an arithmetic number, because the mean of its divisors is an integer number (99187200).

Almost surely, 22055097220 is an apocalyptic number.

2055097220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055097220 is an abundant number, since it is smaller than the sum of its proper divisors (2705888380).

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

2055097220 is a wasteful number, since it uses less digits than its factorization.

2055097220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105068 (or 105066 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2055097220 is about 45333.1801222901. The cubic root of 2055097220 is about 1271.3860948891.

The spelling of 2055097220 in words is "two billion, fifty-five million, ninety-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 89 110 178 220 356 445 890 979 1780 1958 3916 4895 9790 19580 104959 209918 419836 524795 1049590 1154549 2099180 2309098 4618196 5772745 9341351 11545490 18682702 23090980 37365404 46706755 93413510 102754861 186827020 205509722 411019444 513774305 1027548610 2055097220