Base | Representation |
---|---|
bin | 11010100110101… |
… | …11011110111010 |
3 | 120112221202101222 |
4 | 31103113132322 |
5 | 424113240410 |
6 | 34051312042 |
7 | 5350001453 |
oct | 1523273672 |
9 | 515852358 |
10 | 223180730 |
11 | 104a85a93 |
12 | 628ab622 |
13 | 37312406 |
14 | 218d812a |
15 | 148d7955 |
hex | d4d77ba |
223180730 has 16 divisors (see below), whose sum is σ = 419192064. Its totient is φ = 85390800.
The previous prime is 223180729. The next prime is 223180733. The reversal of 223180730 is 37081322.
It is a super-3 number, since 3×2231807303 (a number of 26 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 223180730.
It is not an unprimeable number, because it can be changed into a prime (223180733) 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, 484946 + ... + 485405.
It is an arithmetic number, because the mean of its divisors is an integer number (26199504).
Almost surely, 2223180730 is an apocalyptic number.
223180730 is a deficient number, since it is larger than the sum of its proper divisors (196011334).
223180730 is a wasteful number, since it uses less digits than its factorization.
223180730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 970381.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 223180730 is about 14939.2345854799. The cubic root of 223180730 is about 606.5764772877.
The spelling of 223180730 in words is "two hundred twenty-three million, one hundred eighty thousand, seven hundred thirty".
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