Base | Representation |
---|---|
bin | 10010100110111… |
… | …111011101110010 |
3 | 210202110222102000 |
4 | 102212333131302 |
5 | 1114411230224 |
6 | 50551434430 |
7 | 10510516032 |
oct | 2246773562 |
9 | 722428360 |
10 | 312211314 |
11 | 150264a88 |
12 | 88685a16 |
13 | 4c8b502c |
14 | 2d6718c2 |
15 | 1c6220c9 |
hex | 129bf772 |
312211314 has 16 divisors (see below), whose sum is σ = 693803040. Its totient is φ = 104070420.
The previous prime is 312211309. The next prime is 312211327. The reversal of 312211314 is 413112213.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890792 + ... + 2890899.
It is an arithmetic number, because the mean of its divisors is an integer number (43362690).
Almost surely, 2312211314 is an apocalyptic number.
312211314 is an abundant number, since it is smaller than the sum of its proper divisors (381591726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312211314 is a wasteful number, since it uses less digits than its factorization.
312211314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5781702 (or 5781696 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 312211314 is about 17669.5023699028. The cubic root of 312211314 is about 678.3953759387.
Adding to 312211314 its reverse (413112213), we get a palindrome (725323527).
The spelling of 312211314 in words is "three hundred twelve million, two hundred eleven thousand, three hundred fourteen".
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