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52068478 = 2721124391
BaseRepresentation
bin1100011010100…
…0000001111110
310121222100112011
43012220001332
5101312142403
65100001434
71201401100
oct306500176
9117870464
1052068478
1127433900
121553027a
13aa30a67
146cb5570
154887a6d
hex31a807e

52068478 has 36 divisors (see below), whose sum is σ = 99887256. Its totient is φ = 20281800.

The previous prime is 52068469. The next prime is 52068529. The reversal of 52068478 is 87486025.

It is a super-2 number, since 2×520684782 = 5422252802472968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52068478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9663 + ... + 14053.

It is an arithmetic number, because the mean of its divisors is an integer number (2774646).

Almost surely, 252068478 is an apocalyptic number.

52068478 is a deficient number, since it is larger than the sum of its proper divisors (47818778).

52068478 is a wasteful number, since it uses less digits than its factorization.

52068478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429 (or 4411 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 52068478 is about 7215.8490837877. The cubic root of 52068478 is about 373.4148866975.

The spelling of 52068478 in words is "fifty-two million, sixty-eight thousand, four hundred seventy-eight".

Divisors: 1 2 7 11 14 22 49 77 98 121 154 242 539 847 1078 1694 4391 5929 8782 11858 30737 48301 61474 96602 215159 338107 430318 531311 676214 1062622 2366749 3719177 4733498 7438354 26034239 52068478