Base | Representation |
---|---|
bin | 11010101000101… |
… | …11010101001010 |
3 | 120120110001010220 |
4 | 31110113111022 |
5 | 424200123000 |
6 | 34101050510 |
7 | 5352141063 |
oct | 1524272512 |
9 | 516401126 |
10 | 223442250 |
11 | 105144519 |
12 | 629b6a36 |
13 | 373a4465 |
14 | 2196556a |
15 | 1493a1a0 |
hex | d51754a |
223442250 has 64 divisors (see below), whose sum is σ = 561689856. Its totient is φ = 59160000.
The previous prime is 223442239. The next prime is 223442273. The reversal of 223442250 is 52244322.
It is a happy number.
223442250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 223442250.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112264 + ... + 114236.
It is an arithmetic number, because the mean of its divisors is an integer number (8776404).
Almost surely, 2223442250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223442250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280844928).
223442250 is an abundant number, since it is smaller than the sum of its proper divisors (338247606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223442250 is a wasteful number, since it uses less digits than its factorization.
223442250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2144 (or 2134 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 24.
The square root of 223442250 is about 14947.9848140142. The cubic root of 223442250 is about 606.8133106973.
Adding to 223442250 its reverse (52244322), we get a palindrome (275686572).
The spelling of 223442250 in words is "two hundred twenty-three million, four hundred forty-two thousand, two hundred fifty".
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