Base | Representation |
---|---|
bin | 111010011011… |
… | …0010011010110 |
3 | 2010122020000011 |
4 | 1310312103112 |
5 | 30320144001 |
6 | 3012310434 |
7 | 521234401 |
oct | 164662326 |
9 | 63566004 |
10 | 30631126 |
11 | 16321689 |
12 | a31241a |
13 | 6466336 |
14 | 40d4d38 |
15 | 2a50d51 |
hex | 1d364d6 |
30631126 has 8 divisors (see below), whose sum is σ = 45992880. Its totient is φ = 15300168.
The previous prime is 30631121. The next prime is 30631129. The reversal of 30631126 is 62113603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30631097 and 30631106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30631121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5026 + ... + 9301.
It is an arithmetic number, because the mean of its divisors is an integer number (5749110).
Almost surely, 230631126 is an apocalyptic number.
30631126 is a deficient number, since it is larger than the sum of its proper divisors (15361754).
30631126 is a wasteful number, since it uses less digits than its factorization.
30631126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15398.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 30631126 is about 5534.5393665598. The cubic root of 30631126 is about 312.8870970475.
Adding to 30631126 its reverse (62113603), we get a palindrome (92744729).
The spelling of 30631126 in words is "thirty million, six hundred thirty-one thousand, one hundred twenty-six".
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