Base | Representation |
---|---|
bin | 10010100110010… |
… | …011010000000010 |
3 | 210202010202222110 |
4 | 102212103100002 |
5 | 1114334431320 |
6 | 50543520150 |
7 | 10506133032 |
oct | 2246232002 |
9 | 722122873 |
10 | 312030210 |
11 | 150150a08 |
12 | 885b9056 |
13 | 4c85077b |
14 | 2d6258c2 |
15 | 1c5d85e0 |
hex | 12993402 |
312030210 has 32 divisors (see below), whose sum is σ = 754598592. Its totient is φ = 82571840.
The previous prime is 312030203. The next prime is 312030211. The reversal of 312030210 is 12030213.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (312030211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35769 + ... + 43628.
It is an arithmetic number, because the mean of its divisors is an integer number (23581206).
Almost surely, 2312030210 is an apocalyptic number.
312030210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
312030210 is an abundant number, since it is smaller than the sum of its proper divisors (442568382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312030210 is a wasteful number, since it uses less digits than its factorization.
312030210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79538.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 312030210 is about 17664.3768641863. The cubic root of 312030210 is about 678.2641786010.
Adding to 312030210 its reverse (12030213), we get a palindrome (324060423).
The spelling of 312030210 in words is "three hundred twelve million, thirty thousand, two hundred ten".
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