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52799285 = 5711294729
BaseRepresentation
bin1100100101101…
…0011100110101
310200100111000002
43021122130311
5102004034120
65123401045
71210533530
oct311323465
9120314002
1052799285
1127892980
1215823185
13ac285a6
147025a17
15497e375
hex325a735

52799285 has 32 divisors (see below), whose sum is σ = 81734400. Its totient is φ = 31772160.

The previous prime is 52799261. The next prime is 52799287. The reversal of 52799285 is 58299725.

It is not a de Polignac number, because 52799285 - 210 = 52798261 is a prime.

It is a super-2 number, since 2×527992852 = 5575528993022450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52799287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8801 + ... + 13529.

It is an arithmetic number, because the mean of its divisors is an integer number (2554200).

Almost surely, 252799285 is an apocalyptic number.

52799285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52799285 is a deficient number, since it is larger than the sum of its proper divisors (28935115).

52799285 is a wasteful number, since it uses less digits than its factorization.

52799285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781.

The product of its digits is 453600, while the sum is 47.

The square root of 52799285 is about 7266.3116503492. The cubic root of 52799285 is about 375.1537976555.

The spelling of 52799285 in words is "fifty-two million, seven hundred ninety-nine thousand, two hundred eighty-five".

Divisors: 1 5 7 11 29 35 55 77 145 203 319 385 1015 1595 2233 4729 11165 23645 33103 52019 137141 165515 260095 364133 685705 959987 1508551 1820665 4799935 7542755 10559857 52799285