Base | Representation |
---|---|
bin | 10010100110011… |
… | …001000111000100 |
3 | 210202011222220102 |
4 | 102212121013010 |
5 | 1114341213322 |
6 | 50544223232 |
7 | 10506263021 |
oct | 2246310704 |
9 | 722158812 |
10 | 312054212 |
11 | 150167a48 |
12 | 8860ab18 |
13 | 4c85b682 |
14 | 2d630548 |
15 | 1c5e0792 |
hex | 129991c4 |
312054212 has 12 divisors (see below), whose sum is σ = 546224700. Its totient is φ = 155990016.
The previous prime is 312054199. The next prime is 312054217. The reversal of 312054212 is 212450213.
It can be written as a sum of positive squares in 2 ways, for example, as 154902916 + 157151296 = 12446^2 + 12536^2 .
It is a super-4 number, since 4×3120542124 (a number of 35 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (312054217) 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, 19748 + ... + 31844.
It is an arithmetic number, because the mean of its divisors is an integer number (45518725).
Almost surely, 2312054212 is an apocalyptic number.
It is an amenable number.
312054212 is a deficient number, since it is larger than the sum of its proper divisors (234170488).
312054212 is a wasteful number, since it uses less digits than its factorization.
312054212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18550 (or 18548 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 312054212 is about 17665.0562410653. The cubic root of 312054212 is about 678.2815693096.
The spelling of 312054212 in words is "three hundred twelve million, fifty-four thousand, two hundred twelve".
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