Base | Representation |
---|---|
bin | 10010110101110… |
… | …000011011001101 |
3 | 211000202121210220 |
4 | 102311300123031 |
5 | 1121404104434 |
6 | 51210421553 |
7 | 10555436325 |
oct | 2265603315 |
9 | 730677726 |
10 | 316081869 |
11 | 152468a94 |
12 | 89a318b9 |
13 | 5063b9bc |
14 | 2dd9c285 |
15 | 1cb38d49 |
hex | 12d706cd |
316081869 has 8 divisors (see below), whose sum is σ = 421639680. Its totient is φ = 210622656.
The previous prime is 316081819. The next prime is 316081873. The reversal of 316081869 is 968180613.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 316081869 - 211 = 316079821 is a prime.
It is a super-2 number, since 2×3160818692 = 199815495821066322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 316081869.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (316081819) 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, 16812 + ... + 30245.
It is an arithmetic number, because the mean of its divisors is an integer number (52704960).
Almost surely, 2316081869 is an apocalyptic number.
It is an amenable number.
316081869 is a deficient number, since it is larger than the sum of its proper divisors (105557811).
316081869 is a wasteful number, since it uses less digits than its factorization.
316081869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49299.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 316081869 is about 17778.6914310362. The cubic root of 316081869 is about 681.1872777425.
The spelling of 316081869 in words is "three hundred sixteen million, eighty-one thousand, eight hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •