Base | Representation |
---|---|
bin | 10010100111110… |
… | …111100011000110 |
3 | 210202220122112000 |
4 | 102213313203012 |
5 | 1114441103110 |
6 | 51000410130 |
7 | 10512463536 |
oct | 2247674306 |
9 | 722818460 |
10 | 312441030 |
11 | 150401630 |
12 | 88776946 |
13 | 4c965765 |
14 | 2d6d14c6 |
15 | 1c66a1c0 |
hex | 129f78c6 |
312441030 has 64 divisors (see below), whose sum is σ = 908928000. Its totient is φ = 75742560.
The previous prime is 312441023. The next prime is 312441043. The reversal of 312441030 is 30144213.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 312440994 and 312441012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49630 + ... + 55569.
It is an arithmetic number, because the mean of its divisors is an integer number (14202000).
Almost surely, 2312441030 is an apocalyptic number.
312441030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
312441030 is an abundant number, since it is smaller than the sum of its proper divisors (596486970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312441030 is a wasteful number, since it uses less digits than its factorization.
312441030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105226 (or 105220 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 312441030 is about 17676.0015274948. The cubic root of 312441030 is about 678.5617163417.
Adding to 312441030 its reverse (30144213), we get a palindrome (342585243).
The spelling of 312441030 in words is "three hundred twelve million, four hundred forty-one thousand, thirty".
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