Base | Representation |
---|---|
bin | 11010011110001… |
… | …00111100110000 |
3 | 120110211121220012 |
4 | 31033010330300 |
5 | 423321244430 |
6 | 34011234052 |
7 | 5334306200 |
oct | 1517047460 |
9 | 513747805 |
10 | 222056240 |
11 | 10438815a |
12 | 62448928 |
13 | 3700a633 |
14 | 216c4400 |
15 | 14764695 |
hex | d3c4f30 |
222056240 has 120 divisors (see below), whose sum is σ = 617206032. Its totient is φ = 74027520.
The previous prime is 222056213. The next prime is 222056243. The reversal of 222056240 is 42650222.
222056240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (222056243) 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, 144275 + ... + 145805.
Almost surely, 2222056240 is an apocalyptic number.
222056240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222056240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308603016).
222056240 is an abundant number, since it is smaller than the sum of its proper divisors (395149792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222056240 is a wasteful number, since it uses less digits than its factorization.
222056240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1595 (or 1582 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 222056240 is about 14901.5515970653. The cubic root of 222056240 is about 605.5560218584.
The spelling of 222056240 in words is "two hundred twenty-two million, fifty-six thousand, two hundred forty".
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