Base | Representation |
---|---|
bin | 111010001110… |
… | …0100001000011 |
3 | 2010102212010100 |
4 | 1310130201003 |
5 | 30303304012 |
6 | 3010133443 |
7 | 520314435 |
oct | 164344103 |
9 | 63385110 |
10 | 30525507 |
11 | 1625a2a1 |
12 | a281283 |
13 | 642a23c |
14 | 40a8655 |
15 | 2a2e8dc |
hex | 1d1c843 |
30525507 has 12 divisors (see below), whose sum is σ = 44141760. Its totient is φ = 20327568.
The previous prime is 30525503. The next prime is 30525511. The reversal of 30525507 is 70552503.
It is an interprime number because it is at equal distance from previous prime (30525503) and next prime (30525511).
It is not a de Polignac number, because 30525507 - 22 = 30525503 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30525503) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11773 + ... + 14129.
It is an arithmetic number, because the mean of its divisors is an integer number (3678480).
Almost surely, 230525507 is an apocalyptic number.
30525507 is a deficient number, since it is larger than the sum of its proper divisors (13616253).
30525507 is a wasteful number, since it uses less digits than its factorization.
30525507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3802 (or 3799 counting only the distinct ones).
The product of its (nonzero) digits is 5250, while the sum is 27.
The square root of 30525507 is about 5524.9893212566. The cubic root of 30525507 is about 312.5270615498.
The spelling of 30525507 in words is "thirty million, five hundred twenty-five thousand, five hundred seven".
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