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52072043 = 59882577
BaseRepresentation
bin1100011010100…
…0111001101011
310121222112102012
43012220321223
5101312301133
65100030135
71201414352
oct306507153
9117875365
1052072043
1127436551
121553234b
13aa3257a
146cb6999
154888b48
hex31a8e6b

52072043 has 4 divisors (see below), whose sum is σ = 52954680. Its totient is φ = 51189408.

The previous prime is 52072019. The next prime is 52072109. The reversal of 52072043 is 34027025.

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 52072043 - 28 = 52071787 is a prime.

It is a super-2 number, since 2×520720432 = 5422995324387698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52072543) 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, 441230 + ... + 441347.

It is an arithmetic number, because the mean of its divisors is an integer number (13238670).

Almost surely, 252072043 is an apocalyptic number.

52072043 is a deficient number, since it is larger than the sum of its proper divisors (882637).

52072043 is an equidigital number, since it uses as much as digits as its factorization.

52072043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882636.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 52072043 is about 7216.0961052358. The cubic root of 52072043 is about 373.4234087678.

Adding to 52072043 its reverse (34027025), we get a palindrome (86099068).

The spelling of 52072043 in words is "fifty-two million, seventy-two thousand, forty-three".

Divisors: 1 59 882577 52072043