Base | Representation |
---|---|
bin | 110001001011100… |
… | …001001010110110 |
3 | 2010111120120120111 |
4 | 301023201022312 |
5 | 3142211244110 |
6 | 213512453234 |
7 | 26306155123 |
oct | 6113411266 |
9 | 2114516514 |
10 | 825103030 |
11 | 393827134 |
12 | 1b03aa21a |
13 | 101c31c5b |
14 | 7b82174a |
15 | 4c684e8a |
hex | 312e12b6 |
825103030 has 16 divisors (see below), whose sum is σ = 1491675120. Its totient is φ = 328599072.
The previous prime is 825103021. The next prime is 825103031. The reversal of 825103030 is 30301528.
It is a junction number, because it is equal to n+sod(n) for n = 825102992 and 825103010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (825103031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177864 + ... + 182443.
It is an arithmetic number, because the mean of its divisors is an integer number (93229695).
Almost surely, 2825103030 is an apocalyptic number.
825103030 is a deficient number, since it is larger than the sum of its proper divisors (666572090).
825103030 is a wasteful number, since it uses less digits than its factorization.
825103030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360543.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 825103030 is about 28724.6066987870. The cubic root of 825103030 is about 937.9277687555.
Adding to 825103030 its reverse (30301528), we get a palindrome (855404558).
The spelling of 825103030 in words is "eight hundred twenty-five million, one hundred three thousand, thirty".
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