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300005525 = 52103116507
BaseRepresentation
bin10001111000011…
…011100010010101
3202220111212012202
4101320123202111
51103300134100
645434054245
710302001451
oct2170334225
9686455182
10300005525
11144388656
128457a385
134a200481
142bbb5661
151b5107d5
hex11e1b895

300005525 has 12 divisors (see below), whose sum is σ = 375621792. Its totient is φ = 237672240.

The previous prime is 300005521. The next prime is 300005533. The reversal of 300005525 is 525500003.

It is not a de Polignac number, because 300005525 - 22 = 300005521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300005497 and 300005506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300005521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55679 + ... + 60828.

It is an arithmetic number, because the mean of its divisors is an integer number (31301816).

Almost surely, 2300005525 is an apocalyptic number.

It is an amenable number.

300005525 is a deficient number, since it is larger than the sum of its proper divisors (75616267).

300005525 is a wasteful number, since it uses less digits than its factorization.

300005525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116620 (or 116615 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 300005525 is about 17320.6675679663. The cubic root of 300005525 is about 669.4370596314.

Adding to 300005525 its reverse (525500003), we get a palindrome (825505528).

The spelling of 300005525 in words is "three hundred million, five thousand, five hundred twenty-five".

Divisors: 1 5 25 103 515 2575 116507 582535 2912675 12000221 60001105 300005525