Base | Representation |
---|---|
bin | 111010001110… |
… | …0100100011110 |
3 | 2010102212102110 |
4 | 1310130210132 |
5 | 30303310401 |
6 | 3010134450 |
7 | 520315200 |
oct | 164344436 |
9 | 63385373 |
10 | 30525726 |
11 | 1625a480 |
12 | a281426 |
13 | 642a37a |
14 | 40a8770 |
15 | 2a2e9d6 |
hex | 1d1c91e |
30525726 has 48 divisors (see below), whose sum is σ = 77483520. Its totient is φ = 7927920.
The previous prime is 30525713. The next prime is 30525749. The reversal of 30525726 is 62752503.
It is a super-3 number, since 3×305257263 (a number of 23 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30525693 and 30525702.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1486 + ... + 7953.
It is an arithmetic number, because the mean of its divisors is an integer number (1614240).
Almost surely, 230525726 is an apocalyptic number.
30525726 is an abundant number, since it is smaller than the sum of its proper divisors (46957794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30525726 is a wasteful number, since it uses less digits than its factorization.
30525726 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9469 (or 9462 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 30.
The square root of 30525726 is about 5525.0091402639. The cubic root of 30525726 is about 312.5278089386.
It can be divided in two parts, 3052 and 5726, that added together give a palindrome (8778).
The spelling of 30525726 in words is "thirty million, five hundred twenty-five thousand, seven hundred twenty-six".
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