Base | Representation |
---|---|
bin | 1000110100100000010101 |
3 | 11100110202112 |
4 | 20310200111 |
5 | 1042442323 |
6 | 121320405 |
7 | 25440101 |
oct | 10644025 |
9 | 4313675 |
10 | 2312213 |
11 | 133a222 |
12 | 936105 |
13 | 62c597 |
14 | 442901 |
15 | 30a178 |
hex | 234815 |
2312213 has 8 divisors (see below), whose sum is σ = 2428800. Its totient is φ = 2197008.
The previous prime is 2312209. The next prime is 2312249. The reversal of 2312213 is 3122132.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2312213 - 22 = 2312209 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2312203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5048 + ... + 5486.
It is an arithmetic number, because the mean of its divisors is an integer number (303600).
22312213 is an apocalyptic number.
2312213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
2312213 is a deficient number, since it is larger than the sum of its proper divisors (116587).
2312213 is a wasteful number, since it uses less digits than its factorization.
2312213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 691.
The product of its digits is 72, while the sum is 14.
The square root of 2312213 is about 1520.5962646278. The cubic root of 2312213 is about 132.2338409341.
Adding to 2312213 its reverse (3122132), we get a palindrome (5434345).
It can be divided in two parts, 2 and 312213, that multiplied together give a palindrome (624426).
The spelling of 2312213 in words is "two million, three hundred twelve thousand, two hundred thirteen".
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