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220561113 = 377899439
BaseRepresentation
bin11010010010101…
…11111011011001
3120101000122222010
431021113323121
5422430423423
633515220133
75315511213
oct1511277331
9511018863
10220561113
11103556913
1261a47649
1336905c46
14214155b3
151456b693
hexd257ed9

220561113 has 8 divisors (see below), whose sum is σ = 294150400. Its totient is φ = 147006288.

The previous prime is 220561109. The next prime is 220561123. The reversal of 220561113 is 311165022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220561113 - 22 = 220561109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220561113.

It is not an unprimeable number, because it can be changed into a prime (220561123) 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, 18648 + ... + 28086.

It is an arithmetic number, because the mean of its divisors is an integer number (36768800).

Almost surely, 2220561113 is an apocalyptic number.

It is an amenable number.

220561113 is a deficient number, since it is larger than the sum of its proper divisors (73589287).

220561113 is an equidigital number, since it uses as much as digits as its factorization.

220561113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17231.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 220561113 is about 14851.3000441039. The cubic root of 220561113 is about 604.1938702318.

The spelling of 220561113 in words is "two hundred twenty million, five hundred sixty-one thousand, one hundred thirteen".

Divisors: 1 3 7789 9439 23367 28317 73520371 220561113