Base | Representation |
---|---|
bin | 11010011110110… |
… | …01101100111011 |
3 | 120110222221111110 |
4 | 31033121230323 |
5 | 423332004433 |
6 | 34013131403 |
7 | 5335112052 |
oct | 1517315473 |
9 | 513887443 |
10 | 222141243 |
11 | 104436005 |
12 | 62489b63 |
13 | 3703a22c |
14 | 21707399 |
15 | 1477e963 |
hex | d3d9b3b |
222141243 has 4 divisors (see below), whose sum is σ = 296188328. Its totient is φ = 148094160.
The previous prime is 222141211. The next prime is 222141251. The reversal of 222141243 is 342141222.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 222141243 - 25 = 222141211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (222141743) 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, 37023538 + ... + 37023543.
It is an arithmetic number, because the mean of its divisors is an integer number (74047082).
Almost surely, 2222141243 is an apocalyptic number.
222141243 is a deficient number, since it is larger than the sum of its proper divisors (74047085).
222141243 is an equidigital number, since it uses as much as digits as its factorization.
222141243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74047084.
The product of its digits is 768, while the sum is 21.
The square root of 222141243 is about 14904.4034768252. The cubic root of 222141243 is about 605.6332808324.
Subtracting from 222141243 its sum of digits (21), we obtain a palindrome (222141222).
Adding to 222141243 its reverse (342141222), we get a palindrome (564282465).
The spelling of 222141243 in words is "two hundred twenty-two million, one hundred forty-one thousand, two hundred forty-three".
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