Base | Representation |
---|---|
bin | 11010100101011… |
… | …00101011110110 |
3 | 120112121211221101 |
4 | 31102230223312 |
5 | 424042133210 |
6 | 34043440314 |
7 | 5345341414 |
oct | 1522545366 |
9 | 515554841 |
10 | 223005430 |
11 | 10497630a |
12 | 6282609a |
13 | 3728069b |
14 | 218902b4 |
15 | 148a0a3a |
hex | d4acaf6 |
223005430 has 16 divisors (see below), whose sum is σ = 401643360. Its totient is φ = 89150272.
The previous prime is 223005421. The next prime is 223005443. The reversal of 223005430 is 34500322.
It is a junction number, because it is equal to n+sod(n) for n = 223005398 and 223005407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14922 + ... + 25858.
It is an arithmetic number, because the mean of its divisors is an integer number (25102710).
Almost surely, 2223005430 is an apocalyptic number.
223005430 is a deficient number, since it is larger than the sum of its proper divisors (178637930).
223005430 is a wasteful number, since it uses less digits than its factorization.
223005430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12983.
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 223005430 is about 14933.3663318088. The cubic root of 223005430 is about 606.4176214152.
Adding to 223005430 its reverse (34500322), we get a palindrome (257505752).
It can be divided in two parts, 22300 and 5430, that added together give a triangular number (27730 = T235).
The spelling of 223005430 in words is "two hundred twenty-three million, five thousand, four hundred thirty".
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