Base | Representation |
---|---|
bin | 10011101111110… |
… | …111010000101100 |
3 | 212002102111200001 |
4 | 103233313100230 |
5 | 1134304023340 |
6 | 52513114044 |
7 | 11132060446 |
oct | 2357672054 |
9 | 762374601 |
10 | 331314220 |
11 | 160022306 |
12 | 92b58924 |
13 | 53843023 |
14 | 32005496 |
15 | 1e14729a |
hex | 13bf742c |
331314220 has 48 divisors (see below), whose sum is σ = 705751200. Its totient is φ = 130636800.
The previous prime is 331314211. The next prime is 331314257. The reversal of 331314220 is 22413133.
It is a super-2 number, since 2×3313142202 = 219538224748416800, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826020 + ... + 826420.
It is an arithmetic number, because the mean of its divisors is an integer number (14703150).
Almost surely, 2331314220 is an apocalyptic number.
It is an amenable number.
331314220 is an abundant number, since it is smaller than the sum of its proper divisors (374436980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331314220 is a wasteful number, since it uses less digits than its factorization.
331314220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 898 (or 896 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 331314220 is about 18202.0388967830. The cubic root of 331314220 is about 691.9584630976.
Adding to 331314220 its reverse (22413133), we get a palindrome (353727353).
The spelling of 331314220 in words is "three hundred thirty-one million, three hundred fourteen thousand, two hundred twenty".
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