Base | Representation |
---|---|
bin | 111001011010… |
… | …0110000101101 |
3 | 2002122021011021 |
4 | 1302310300231 |
5 | 30201204100 |
6 | 2553054141 |
7 | 513564430 |
oct | 162646055 |
9 | 62567137 |
10 | 30100525 |
11 | 15a99a74 |
12 | a0b7351 |
13 | 630b980 |
14 | 3dd7817 |
15 | 2998a1a |
hex | 1cb4c2d |
30100525 has 48 divisors (see below), whose sum is σ = 46747008. Its totient is φ = 18720000.
The previous prime is 30100517. The next prime is 30100607. The reversal of 30100525 is 52500103.
It is not a de Polignac number, because 30100525 - 23 = 30100517 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30100499 and 30100508.
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 47 ways as a sum of consecutive naturals, for example, 229710 + ... + 229840.
It is an arithmetic number, because the mean of its divisors is an integer number (973896).
Almost surely, 230100525 is an apocalyptic number.
30100525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30100525 is a deficient number, since it is larger than the sum of its proper divisors (16646483).
30100525 is a wasteful number, since it uses less digits than its factorization.
30100525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262 (or 257 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 30100525 is about 5486.3945355762. The cubic root of 30100525 is about 311.0699242765.
Adding to 30100525 its reverse (52500103), we get a palindrome (82600628).
It can be divided in two parts, 30100 and 525, that added together give a square (30625 = 1752).
The spelling of 30100525 in words is "thirty million, one hundred thousand, five hundred twenty-five".
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