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5222213 = 17307189
BaseRepresentation
bin10011111010111101000101
3100211022112022
4103322331011
52314102323
6303532525
762250053
oct23727505
910738468
105222213
112a47587
1218ba145
13110ac89
1499d1d3
156d24c8
hex4faf45

5222213 has 4 divisors (see below), whose sum is σ = 5529420. Its totient is φ = 4915008.

The previous prime is 5222197. The next prime is 5222237. The reversal of 5222213 is 3122225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3323329 + 1898884 = 1823^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 5222213 - 24 = 5222197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 307189 = 5222213 / (5 + 2 + 2 + 2 + 2 + 1 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 5222191 and 5222200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5222713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153578 + ... + 153611.

It is an arithmetic number, because the mean of its divisors is an integer number (1382355).

Almost surely, 25222213 is an apocalyptic number.

It is an amenable number.

5222213 is a deficient number, since it is larger than the sum of its proper divisors (307207).

5222213 is a wasteful number, since it uses less digits than its factorization.

5222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307206.

The product of its digits is 240, while the sum is 17.

The square root of 5222213 is about 2285.2161823337. The cubic root of 5222213 is about 173.4941599853.

Adding to 5222213 its reverse (3122225), we get a palindrome (8344438).

It can be divided in two parts, 5222 and 213, that multiplied together give a triangular number (1112286 = T1491).

The spelling of 5222213 in words is "five million, two hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 17 307189 5222213