Base | Representation |
---|---|
bin | 11010010101001… |
… | …10100101011011 |
3 | 120101122000220122 |
4 | 31022212211123 |
5 | 423021231131 |
6 | 33530143455 |
7 | 5321322416 |
oct | 1512464533 |
9 | 511560818 |
10 | 220883291 |
11 | 103756982 |
12 | 61b81b8b |
13 | 369b9795 |
14 | 2149ab7d |
15 | 145d1d7b |
hex | d2a695b |
220883291 has 4 divisors (see below), whose sum is σ = 221098152. Its totient is φ = 220668432.
The previous prime is 220883281. The next prime is 220883293. The reversal of 220883291 is 192388022.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-220883291 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220883293) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105881 + ... + 107946.
It is an arithmetic number, because the mean of its divisors is an integer number (55274538).
Almost surely, 2220883291 is an apocalyptic number.
220883291 is a deficient number, since it is larger than the sum of its proper divisors (214861).
220883291 is a wasteful number, since it uses less digits than its factorization.
220883291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214860.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 220883291 is about 14862.1428804866. The cubic root of 220883291 is about 604.4879131038.
The spelling of 220883291 in words is "two hundred twenty million, eight hundred eighty-three thousand, two hundred ninety-one".
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