Base | Representation |
---|---|
bin | 10010011011011111101101 |
3 | 100002110011211 |
4 | 102123133231 |
5 | 2214044323 |
6 | 251314421 |
7 | 56031112 |
oct | 22333755 |
9 | 10073154 |
10 | 4831213 |
11 | 27aa842 |
12 | 174ba11 |
13 | 100200a |
14 | 8da909 |
15 | 65670d |
hex | 49b7ed |
4831213 has 12 divisors (see below), whose sum is σ = 5225140. Its totient is φ = 4465152.
The previous prime is 4831193. The next prime is 4831237. The reversal of 4831213 is 3121384.
It can be written as a sum of positive squares in 6 ways, for example, as 1493284 + 3337929 = 1222^2 + 1827^2 .
It is a de Polignac number, because none of the positive numbers 2k-4831213 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4831243) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20983 + ... + 21211.
Almost surely, 24831213 is an apocalyptic number.
It is an amenable number.
4831213 is a deficient number, since it is larger than the sum of its proper divisors (393927).
4831213 is a wasteful number, since it uses less digits than its factorization.
4831213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 336 (or 319 counting only the distinct ones).
The product of its digits is 576, while the sum is 22.
The square root of 4831213 is about 2198.0020473148. The cubic root of 4831213 is about 169.0513831363.
Adding to 4831213 its reverse (3121384), we get a palindrome (7952597).
The spelling of 4831213 in words is "four million, eight hundred thirty-one thousand, two hundred thirteen".
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