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52805378 = 2238811303
BaseRepresentation
bin1100100101101…
…1111100000010
310200100210100202
43021123330002
5102004233003
65123445202
71210560353
oct311337402
9120323322
1052805378
112789750a
1215826802
13ac2b2b2
147027d2a
154981088
hex325bf02

52805378 has 16 divisors (see below), whose sum is σ = 82809216. Its totient is φ = 25206720.

The previous prime is 52805303. The next prime is 52805381. The reversal of 52805378 is 87350825.

52805378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 39875 + ... + 41177.

It is an arithmetic number, because the mean of its divisors is an integer number (5175576).

Almost surely, 252805378 is an apocalyptic number.

52805378 is a deficient number, since it is larger than the sum of its proper divisors (30003838).

52805378 is a wasteful number, since it uses less digits than its factorization.

52805378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 52805378 is about 7266.7309018568. The cubic root of 52805378 is about 375.1682279278.

The spelling of 52805378 in words is "fifty-two million, eight hundred five thousand, three hundred seventy-eight".

Divisors: 1 2 23 46 881 1303 1762 2606 20263 29969 40526 59938 1147943 2295886 26402689 52805378