Base | Representation |
---|---|
bin | 11010100111111… |
… | …00000110100101 |
3 | 120120020101011100 |
4 | 31103330012211 |
5 | 424133040400 |
6 | 34054430313 |
7 | 5351164662 |
oct | 1523740645 |
9 | 516211140 |
10 | 223330725 |
11 | 105078752 |
12 | 62962399 |
13 | 37365777 |
14 | 21936a69 |
15 | 14917100 |
hex | d4fc1a5 |
223330725 has 36 divisors (see below), whose sum is σ = 405519556. Its totient is φ = 117469440.
The previous prime is 223330703. The next prime is 223330729. The reversal of 223330725 is 527033322.
It can be written as a sum of positive squares in 6 ways, for example, as 26040609 + 197290116 = 5103^2 + 14046^2 .
It is not a de Polignac number, because 223330725 - 28 = 223330469 is a prime.
It is a super-2 number, since 2×2233307252 = 99753225458051250, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223330729) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9627 + ... + 23223.
Almost surely, 2223330725 is an apocalyptic number.
223330725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
223330725 is a deficient number, since it is larger than the sum of its proper divisors (182188831).
223330725 is a wasteful number, since it uses less digits than its factorization.
223330725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13686 (or 13678 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 27.
The square root of 223330725 is about 14944.2539124575. The cubic root of 223330725 is about 606.7123358863.
The spelling of 223330725 in words is "two hundred twenty-three million, three hundred thirty thousand, seven hundred twenty-five".
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