Base | Representation |
---|---|
bin | 11010100101010… |
… | …11111001101100 |
3 | 120112121200112111 |
4 | 31102223321230 |
5 | 424042032340 |
6 | 34043413404 |
7 | 5345326150 |
oct | 1522537154 |
9 | 515550474 |
10 | 223002220 |
11 | 104973961 |
12 | 62824264 |
13 | 3727c09c |
14 | 2188d060 |
15 | 1489eaea |
hex | d4abe6c |
223002220 has 48 divisors (see below), whose sum is σ = 552480768. Its totient is φ = 73990080.
The previous prime is 223002193. The next prime is 223002233. The reversal of 223002220 is 22200322.
It is a self number, because there is not a number n which added to its sum of digits gives 223002220.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21352 + ... + 30031.
It is an arithmetic number, because the mean of its divisors is an integer number (11510016).
Almost surely, 2223002220 is an apocalyptic number.
223002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223002220 is an abundant number, since it is smaller than the sum of its proper divisors (329478548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223002220 is a wasteful number, since it uses less digits than its factorization.
223002220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51430 (or 51428 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 13.
The square root of 223002220 is about 14933.2588539809. The cubic root of 223002220 is about 606.4147117552.
Adding to 223002220 its reverse (22200322), we get a palindrome (245202542).
The spelling of 223002220 in words is "two hundred twenty-three million, two thousand, two hundred twenty".
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