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52711811 = 31254851
BaseRepresentation
bin1100100100010…
…1000110000011
310200012001000022
43021011012003
5101443234221
65121444055
71210020515
oct311050603
9120161008
1052711811
1127833189
12157a062b
13abc7829
147001bb5
1549634ab
hex3245183

52711811 has 6 divisors (see below), whose sum is σ = 54468036. Its totient is φ = 51010500.

The previous prime is 52711807. The next prime is 52711817. The reversal of 52711811 is 11811725.

It is not a de Polignac number, because 52711811 - 22 = 52711807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52711817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26465 + ... + 28386.

It is an arithmetic number, because the mean of its divisors is an integer number (9078006).

Almost surely, 252711811 is an apocalyptic number.

52711811 is a deficient number, since it is larger than the sum of its proper divisors (1756225).

52711811 is an equidigital number, since it uses as much as digits as its factorization.

52711811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54913 (or 54882 counting only the distinct ones).

The product of its digits is 560, while the sum is 26.

The square root of 52711811 is about 7260.2900079818. The cubic root of 52711811 is about 374.9465073328.

The spelling of 52711811 in words is "fifty-two million, seven hundred eleven thousand, eight hundred eleven".

Divisors: 1 31 961 54851 1700381 52711811