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52322213 = 181467619
BaseRepresentation
bin1100011110010…
…1111110100101
310122110020120202
43013211332211
5101343302323
65105240245
71203505616
oct307457645
9118406522
1052322213
11275974a9
1215633085
13aabc3b8
146d3dc0d
1548d7d28
hex31e5fa5

52322213 has 8 divisors (see below), whose sum is σ = 52809120. Its totient is φ = 51837840.

The previous prime is 52322197. The next prime is 52322227. The reversal of 52322213 is 31222325.

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 52322213 - 24 = 52322197 is a prime.

It is a super-2 number, since 2×523222132 = 5475227946434738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52322113) 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, 84218 + ... + 84836.

It is an arithmetic number, because the mean of its divisors is an integer number (6601140).

Almost surely, 252322213 is an apocalyptic number.

It is an amenable number.

52322213 is a deficient number, since it is larger than the sum of its proper divisors (486907).

52322213 is a wasteful number, since it uses less digits than its factorization.

52322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267.

The product of its digits is 720, while the sum is 20.

The square root of 52322213 is about 7233.4095003670. The cubic root of 52322213 is about 374.0204670088.

Adding to 52322213 its reverse (31222325), we get a palindrome (83544538).

The spelling of 52322213 in words is "fifty-two million, three hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 181 467 619 84527 112039 289073 52322213