Base | Representation |
---|---|
bin | 11010101011000… |
… | …00010111110100 |
3 | 120121000020112120 |
4 | 31111200113310 |
5 | 424234211203 |
6 | 34111315540 |
7 | 5354525241 |
oct | 1525402764 |
9 | 517006476 |
10 | 223741428 |
11 | 105329279 |
12 | 62b1bbb0 |
13 | 3747a6a1 |
14 | 21a025c8 |
15 | 14998b53 |
hex | d5605f4 |
223741428 has 24 divisors (see below), whose sum is σ = 534797760. Its totient is φ = 72761280.
The previous prime is 223741421. The next prime is 223741433. The reversal of 223741428 is 824147322.
It is a happy number.
223741428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223741421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226888 + ... + 227871.
It is an arithmetic number, because the mean of its divisors is an integer number (22283240).
Almost surely, 2223741428 is an apocalyptic number.
It is an amenable number.
223741428 is an abundant number, since it is smaller than the sum of its proper divisors (311056332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223741428 is a wasteful number, since it uses less digits than its factorization.
223741428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 454807 (or 454805 counting only the distinct ones).
The product of its digits is 21504, while the sum is 33.
The square root of 223741428 is about 14957.9887685477. The cubic root of 223741428 is about 607.0840208044.
The spelling of 223741428 in words is "two hundred twenty-three million, seven hundred forty-one thousand, four hundred twenty-eight".
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