Base | Representation |
---|---|
bin | 10011111000010001001101 |
3 | 100210202102220 |
4 | 103320101031 |
5 | 2313224323 |
6 | 303405553 |
7 | 62203020 |
oct | 23702115 |
9 | 10722386 |
10 | 5211213 |
11 | 2a3a297 |
12 | 18b38b9 |
13 | 1105c77 |
14 | 9991b7 |
15 | 6ce0e3 |
hex | 4f844d |
5211213 has 32 divisors (see below), whose sum is σ = 8448000. Its totient is φ = 2794176.
The previous prime is 5211211. The next prime is 5211229. The reversal of 5211213 is 3121125.
It is not a de Polignac number, because 5211213 - 21 = 5211211 is a prime.
5211213 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 5211192 and 5211201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5211211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26088 + ... + 26286.
It is an arithmetic number, because the mean of its divisors is an integer number (264000).
Almost surely, 25211213 is an apocalyptic number.
It is an amenable number.
5211213 is a deficient number, since it is larger than the sum of its proper divisors (3236787).
5211213 is a wasteful number, since it uses less digits than its factorization.
5211213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281.
The product of its digits is 60, while the sum is 15.
The square root of 5211213 is about 2282.8081391129. The cubic root of 5211213 is about 173.3722590914.
Adding to 5211213 its reverse (3121125), we get a palindrome (8332338).
It can be divided in two parts, 52112 and 13, that added together give a palindrome (52125).
The spelling of 5211213 in words is "five million, two hundred eleven thousand, two hundred thirteen".
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