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52711133 = 521101173
BaseRepresentation
bin1100100100010…
…0111011011101
310200012000002012
43021010323131
5101443224013
65121441005
71210015526
oct311047335
9120160065
1052711133
1127832722
12157a0165
13abc7427
14700184d
1549631a8
hex3244edd

52711133 has 4 divisors (see below), whose sum is σ = 52812828. Its totient is φ = 52609440.

The previous prime is 52711123. The next prime is 52711157. The reversal of 52711133 is 33111725.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39476089 + 13235044 = 6283^2 + 3638^2 .

It is a cyclic number.

It is not a de Polignac number, because 52711133 - 210 = 52710109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52711099 and 52711108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52711123) 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, 50066 + ... + 51107.

It is an arithmetic number, because the mean of its divisors is an integer number (13203207).

Almost surely, 252711133 is an apocalyptic number.

It is an amenable number.

52711133 is a deficient number, since it is larger than the sum of its proper divisors (101695).

52711133 is a wasteful number, since it uses less digits than its factorization.

52711133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101694.

The product of its digits is 630, while the sum is 23.

The square root of 52711133 is about 7260.2433154819. The cubic root of 52711133 is about 374.9448997562.

Adding to 52711133 its reverse (33111725), we get a palindrome (85822858).

The spelling of 52711133 in words is "fifty-two million, seven hundred eleven thousand, one hundred thirty-three".

Divisors: 1 521 101173 52711133