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52113361 = 71733991
BaseRepresentation
bin1100011011001…
…0111111010001
310122001122002111
43012302333101
5101320111421
65100545321
71201645666
oct306627721
9118048074
1052113361
11274645a3
1215552241
13aa48311
146cc7a6d
154895ee1
hex31b2fd1

52113361 has 4 divisors (see below), whose sum is σ = 52847424. Its totient is φ = 51379300.

The previous prime is 52113359. The next prime is 52113367. The reversal of 52113361 is 16331125.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52113361 - 21 = 52113359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52113367) 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, 366925 + ... + 367066.

It is an arithmetic number, because the mean of its divisors is an integer number (13211856).

Almost surely, 252113361 is an apocalyptic number.

It is an amenable number.

52113361 is a deficient number, since it is larger than the sum of its proper divisors (734063).

52113361 is an equidigital number, since it uses as much as digits as its factorization.

52113361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734062.

The product of its digits is 540, while the sum is 22.

The square root of 52113361 is about 7218.9584428780. The cubic root of 52113361 is about 373.5221503601.

Adding to 52113361 its reverse (16331125), we get a palindrome (68444486).

The spelling of 52113361 in words is "fifty-two million, one hundred thirteen thousand, three hundred sixty-one".

Divisors: 1 71 733991 52113361