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430021325 = 52412811493
BaseRepresentation
bin11001101000011…
…001101011001101
31002222011100100202
4121220121223031
51340041140300
6110400503245
713441056326
oct3150315315
91088140322
10430021325
11200810428
1210001ab25
136b1231b6
144117b44d
1527b43ad5
hex19a19acd

430021325 has 24 divisors (see below), whose sum is σ = 548543016. Its totient is φ = 334208000.

The previous prime is 430021321. The next prime is 430021327. The reversal of 430021325 is 523120034.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 104796169 + 325225156 = 10237^2 + 18034^2 .

It is not a de Polignac number, because 430021325 - 22 = 430021321 is a prime.

It is a super-3 number, since 3×4300213253 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 430021297 and 430021306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430021321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287279 + ... + 288771.

It is an arithmetic number, because the mean of its divisors is an integer number (22855959).

Almost surely, 2430021325 is an apocalyptic number.

It is an amenable number.

430021325 is a deficient number, since it is larger than the sum of its proper divisors (118521691).

430021325 is a wasteful number, since it uses less digits than its factorization.

430021325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 430021325 is about 20736.9555383619. The cubic root of 430021325 is about 754.7967085665.

Adding to 430021325 its reverse (523120034), we get a palindrome (953141359).

The spelling of 430021325 in words is "four hundred thirty million, twenty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 41 205 281 1025 1405 1493 7025 7465 11521 37325 57605 61213 288025 306065 419533 1530325 2097665 10488325 17200853 86004265 430021325