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2205520580 = 225110276029
BaseRepresentation
bin1000001101110101…
…1001001011000100
312200201002001110102
42003131121023010
514004103124310
61002503543232
7105440421104
oct20335311304
95621061412
102205520580
11a31a6028a
1251675ab18
13291c15383
1416ccb7204
15cd95c8a5
hex837592c4

2205520580 has 12 divisors (see below), whose sum is σ = 4631593260. Its totient is φ = 882208224.

The previous prime is 2205520561. The next prime is 2205520591. The reversal of 2205520580 is 850255022.

It can be written as a sum of positive squares in 2 ways, for example, as 337897924 + 1867622656 = 18382^2 + 43216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55137995 + ... + 55138034.

It is an arithmetic number, because the mean of its divisors is an integer number (385966105).

Almost surely, 22205520580 is an apocalyptic number.

2205520580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205520580 is an abundant number, since it is smaller than the sum of its proper divisors (2426072680).

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

2205520580 is a wasteful number, since it uses less digits than its factorization.

2205520580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110276038 (or 110276036 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2205520580 is about 46962.9703064020. The cubic root of 2205520580 is about 1301.6784198439.

The spelling of 2205520580 in words is "two billion, two hundred five million, five hundred twenty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 110276029 220552058 441104116 551380145 1102760290 2205520580