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52112543 = 77444649
BaseRepresentation
bin1100011011001…
…0110010011111
310122001120222012
43012302302133
5101320100133
65100541435
71201643420
oct306626237
9118046865
1052112543
1127463a1a
121555187b
13aa47b32
146cc7647
154895b48
hex31b2c9f

52112543 has 4 divisors (see below), whose sum is σ = 59557200. Its totient is φ = 44667888.

The previous prime is 52112527. The next prime is 52112551. The reversal of 52112543 is 34521125.

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

It is a cyclic number.

It is not a de Polignac number, because 52112543 - 24 = 52112527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52112513) 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, 3722318 + ... + 3722331.

It is an arithmetic number, because the mean of its divisors is an integer number (14889300).

Almost surely, 252112543 is an apocalyptic number.

52112543 is a deficient number, since it is larger than the sum of its proper divisors (7444657).

52112543 is an equidigital number, since it uses as much as digits as its factorization.

52112543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444656.

The product of its digits is 1200, while the sum is 23.

The square root of 52112543 is about 7218.9017862830. The cubic root of 52112543 is about 373.5201960135.

Adding to 52112543 its reverse (34521125), we get a palindrome (86633668).

The spelling of 52112543 in words is "fifty-two million, one hundred twelve thousand, five hundred forty-three".

Divisors: 1 7 7444649 52112543