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52812166 = 21117141209
BaseRepresentation
bin1100100101110…
…1100110000110
310200101010200011
43021131212012
5102004442131
65123540434
71210616221
oct311354606
9120333604
1052812166
11278a1620
121582a71a
13ac31404
14702a5b8
1549830b1
hex325d986

52812166 has 16 divisors (see below), whose sum is σ = 91504080. Its totient is φ = 22593280.

The previous prime is 52812113. The next prime is 52812169. The reversal of 52812166 is 66121825.

52812166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×528121662 = 5578249755223112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52812169) 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, 70231 + ... + 70978.

It is an arithmetic number, because the mean of its divisors is an integer number (5719005).

Almost surely, 252812166 is an apocalyptic number.

52812166 is a deficient number, since it is larger than the sum of its proper divisors (38691914).

52812166 is a wasteful number, since it uses less digits than its factorization.

52812166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141239.

The product of its digits is 5760, while the sum is 31.

The square root of 52812166 is about 7267.1979469394. The cubic root of 52812166 is about 375.1843028865.

It can be divided in two parts, 5281 and 2166, that added together give a palindrome (7447).

The spelling of 52812166 in words is "fifty-two million, eight hundred twelve thousand, one hundred sixty-six".

Divisors: 1 2 11 17 22 34 187 374 141209 282418 1553299 2400553 3106598 4801106 26406083 52812166