Base | Representation |
---|---|
bin | 11010100101010… |
… | …11010111011001 |
3 | 120112121120112012 |
4 | 31102223113121 |
5 | 424042000100 |
6 | 34043355305 |
7 | 5345316563 |
oct | 1522532731 |
9 | 515546465 |
10 | 223000025 |
11 | 104972246 |
12 | 62822b35 |
13 | 3727b0a1 |
14 | 2188c333 |
15 | 1489e135 |
hex | d4ab5d9 |
223000025 has 12 divisors (see below), whose sum is σ = 283265724. Its totient is φ = 174048000.
The previous prime is 223000013. The next prime is 223000031. The reversal of 223000025 is 520000322.
It can be written as a sum of positive squares in 6 ways, for example, as 108659776 + 114340249 = 10424^2 + 10693^2 .
It is not a de Polignac number, because 223000025 - 28 = 222999769 is a prime.
It is a super-2 number, since 2×2230000252 = 99458022300001250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 222999973 and 223000009.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107756 + ... + 109805.
It is an arithmetic number, because the mean of its divisors is an integer number (23605477).
Almost surely, 2223000025 is an apocalyptic number.
223000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
223000025 is a deficient number, since it is larger than the sum of its proper divisors (60265699).
223000025 is a wasteful number, since it uses less digits than its factorization.
223000025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217612 (or 217607 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 14.
The square root of 223000025 is about 14933.1853601300. The cubic root of 223000025 is about 606.4127221119.
Adding to 223000025 its reverse (520000322), we get a palindrome (743000347).
The spelling of 223000025 in words is "two hundred twenty-three million, twenty-five", and thus it is an aban number.
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