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2243060561 = 719731032243
BaseRepresentation
bin1000010110110010…
…0110001101010001
312210022201021122002
42011230212031101
514043210414221
61010324323345
7106404462110
oct20554461521
95708637562
102243060561
11a51170665
12527243555
1329992a291
14173c89c77
15d1dc580b
hex85b26351

2243060561 has 32 divisors (see below), whose sum is σ = 2763171840. Its totient is φ = 1778246784.

The previous prime is 2243060551. The next prime is 2243060587. The reversal of 2243060561 is 1650603422.

It is not a de Polignac number, because 2243060561 - 26 = 2243060497 is a prime.

It is a Duffinian number.

2243060561 is a modest number, since divided by 60561 gives 2243 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2243060531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 998906 + ... + 1001148.

It is an arithmetic number, because the mean of its divisors is an integer number (86349120).

Almost surely, 22243060561 is an apocalyptic number.

It is an amenable number.

2243060561 is a deficient number, since it is larger than the sum of its proper divisors (520111279).

2243060561 is a wasteful number, since it uses less digits than its factorization.

2243060561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2243060561 is about 47360.9603048756. The cubic root of 2243060561 is about 1309.0221634733.

Adding to 2243060561 its reverse (1650603422), we get a palindrome (3893663983).

The spelling of 2243060561 in words is "two billion, two hundred forty-three million, sixty thousand, five hundred sixty-one".

Divisors: 1 7 19 73 103 133 511 721 1387 1957 2243 7519 9709 13699 15701 42617 52633 142861 163739 231029 298319 1000027 1146173 1617203 3111041 4389551 16865117 21777287 30726857 118055819 320437223 2243060561