Base | Representation |
---|---|
bin | 111100101010… |
… | …0101011011110 |
3 | 2012211211001121 |
4 | 1321110223132 |
5 | 31120213001 |
6 | 3053401154 |
7 | 534221254 |
oct | 171245336 |
9 | 65754047 |
10 | 31804126 |
11 | 16a52a02 |
12 | a7991ba |
13 | 6787213 |
14 | 431c5d4 |
15 | 2bd36a1 |
hex | 1e54ade |
31804126 has 8 divisors (see below), whose sum is σ = 49351320. Its totient is φ = 15353688.
The previous prime is 31804121. The next prime is 31804159. The reversal of 31804126 is 62140813.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 31804126.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31804121) 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, 274116 + ... + 274231.
It is an arithmetic number, because the mean of its divisors is an integer number (6168915).
Almost surely, 231804126 is an apocalyptic number.
31804126 is a deficient number, since it is larger than the sum of its proper divisors (17547194).
31804126 is a wasteful number, since it uses less digits than its factorization.
31804126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 548378.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 31804126 is about 5639.5146954326. The cubic root of 31804126 is about 316.8311121262.
Adding to 31804126 its reverse (62140813), we get a palindrome (93944939).
The spelling of 31804126 in words is "thirty-one million, eight hundred four thousand, one hundred twenty-six".
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