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53533013 = 193897243
BaseRepresentation
bin1100110000110…
…1100101010101
310201201202111012
43030031211111
5102201024023
65151222005
71220010632
oct314154525
9121652435
1053533013
1128244166
1215b17905
13b124551
147177189
154a76978
hex330d955

53533013 has 8 divisors (see below), whose sum is σ = 56503200. Its totient is φ = 50578128.

The previous prime is 53533009. The next prime is 53533033. The reversal of 53533013 is 31033535.

53533013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53533013 - 22 = 53533009 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 53533013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53533033) 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 7 ways as a sum of consecutive naturals, for example, 3770 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (7062900).

Almost surely, 253533013 is an apocalyptic number.

It is an amenable number.

53533013 is a deficient number, since it is larger than the sum of its proper divisors (2970187).

53533013 is a wasteful number, since it uses less digits than its factorization.

53533013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 53533013 is about 7316.6257933558. The cubic root of 53533013 is about 376.8835909052.

Adding to 53533013 its reverse (31033535), we get a palindrome (84566548).

The spelling of 53533013 in words is "fifty-three million, five hundred thirty-three thousand, thirteen".

Divisors: 1 19 389 7243 7391 137617 2817527 53533013