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52068141 = 3243831621
BaseRepresentation
bin1100011010011…
…1111100101101
310121222100001200
43012213330231
5101312140031
65100000113
71201400106
oct306477455
9117870050
1052068141
1127433624
1215530039
13aa30868
146cb53ad
1548878e6
hex31a7f2d

52068141 has 24 divisors (see below), whose sum is σ = 77933856. Its totient is φ = 33475680.

The previous prime is 52068109. The next prime is 52068143. The reversal of 52068141 is 14186025.

It is not a de Polignac number, because 52068141 - 25 = 52068109 is a prime.

It is a super-2 number, since 2×520681412 = 5422182614391762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52068143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31311 + ... + 32931.

It is an arithmetic number, because the mean of its divisors is an integer number (3247244).

Almost surely, 252068141 is an apocalyptic number.

It is an amenable number.

52068141 is a deficient number, since it is larger than the sum of its proper divisors (25865715).

52068141 is a wasteful number, since it uses less digits than its factorization.

52068141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 52068141 is about 7215.8257323746. The cubic root of 52068141 is about 373.4140810848.

The spelling of 52068141 in words is "fifty-two million, sixty-eight thousand, one hundred forty-one".

Divisors: 1 3 9 43 83 129 249 387 747 1621 3569 4863 10707 14589 32121 69703 134543 209109 403629 627327 1210887 5785349 17356047 52068141