Base | Representation |
---|---|
bin | 10010011000110… |
… | …100100111111101 |
3 | 210111111021011212 |
4 | 102120310213331 |
5 | 1112433400033 |
6 | 50340054205 |
7 | 10434115565 |
oct | 2230644775 |
9 | 714437155 |
10 | 308496893 |
11 | 149158311 |
12 | 87394365 |
13 | 4bbb4453 |
14 | 2cd85da5 |
15 | 1c13b748 |
hex | 126349fd |
308496893 has 8 divisors (see below), whose sum is σ = 312589368. Its totient is φ = 304428544.
The previous prime is 308496883. The next prime is 308496913. The reversal of 308496893 is 398694803.
It can be written as a sum of positive squares in 4 ways, for example, as 58951684 + 249545209 = 7678^2 + 15797^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 308496893 - 26 = 308496829 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (308496823) 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, 20471 + ... + 32187.
It is an arithmetic number, because the mean of its divisors is an integer number (39073671).
Almost surely, 2308496893 is an apocalyptic number.
It is an amenable number.
308496893 is a deficient number, since it is larger than the sum of its proper divisors (4092475).
308496893 is a wasteful number, since it uses less digits than its factorization.
308496893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12063.
The product of its (nonzero) digits is 1119744, while the sum is 50.
The square root of 308496893 is about 17564.0796229122. The cubic root of 308496893 is about 675.6943147453.
The spelling of 308496893 in words is "three hundred eight million, four hundred ninety-six thousand, eight hundred ninety-three".
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