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223330725 = 32527313597
BaseRepresentation
bin11010100111111…
…00000110100101
3120120020101011100
431103330012211
5424133040400
634054430313
75351164662
oct1523740645
9516211140
10223330725
11105078752
1262962399
1337365777
1421936a69
1514917100
hexd4fc1a5

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".

Divisors: 1 3 5 9 15 25 45 73 75 219 225 365 657 1095 1825 3285 5475 13597 16425 40791 67985 122373 203955 339925 611865 992581 1019775 2977743 3059325 4962905 8933229 14888715 24814525 44666145 74443575 223330725