Base | Representation |
---|---|
bin | 11010010100100… |
… | …10001111000111 |
3 | 120101110210120200 |
4 | 31022102033013 |
5 | 423011044233 |
6 | 33524301543 |
7 | 5320524420 |
oct | 1512221707 |
9 | 511423520 |
10 | 220799943 |
11 | 1036aa2a1 |
12 | 61b418b3 |
13 | 3698a870 |
14 | 21478647 |
15 | 145b7313 |
hex | d2923c7 |
220799943 has 24 divisors (see below), whose sum is σ = 392534688. Its totient is φ = 116465472.
The previous prime is 220799941. The next prime is 220799947. The reversal of 220799943 is 349997022.
220799943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 220799943 - 21 = 220799941 is a prime.
It is a super-2 number, since 2×2207999432 = 97505229657606498, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220799941) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133980 + ... + 135617.
It is an arithmetic number, because the mean of its divisors is an integer number (16355612).
Almost surely, 2220799943 is an apocalyptic number.
220799943 is a deficient number, since it is larger than the sum of its proper divisors (171734745).
220799943 is a wasteful number, since it uses less digits than its factorization.
220799943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269623 (or 269620 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 220799943 is about 14859.3385788197. The cubic root of 220799943 is about 604.4118711409.
The spelling of 220799943 in words is "two hundred twenty million, seven hundred ninety-nine thousand, nine hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •