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53013043 = 107495449
BaseRepresentation
bin1100101000111…
…0101000110011
310200202100020001
43022032220303
5102032404133
65132130431
71212413656
oct312165063
9120670201
1053013043
1127a19536
1215906a17
13aca1985
14707d89d
1549c287d
hex328ea33

53013043 has 4 divisors (see below), whose sum is σ = 53508600. Its totient is φ = 52517488.

The previous prime is 53013031. The next prime is 53013061. The reversal of 53013043 is 34031035.

53013043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53013043 - 217 = 52881971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53013043.

It is not an unprimeable number, because it can be changed into a prime (53013083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247618 + ... + 247831.

It is an arithmetic number, because the mean of its divisors is an integer number (13377150).

Almost surely, 253013043 is an apocalyptic number.

53013043 is a deficient number, since it is larger than the sum of its proper divisors (495557).

53013043 is a wasteful number, since it uses less digits than its factorization.

53013043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495556.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 53013043 is about 7281.0056310925. The cubic root of 53013043 is about 375.6593862502.

Adding to 53013043 its reverse (34031035), we get a palindrome (87044078).

The spelling of 53013043 in words is "fifty-three million, thirteen thousand, forty-three".

Divisors: 1 107 495449 53013043