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52081306 = 259449983
BaseRepresentation
bin1100011010101…
…1001010011010
310122000000010021
43012223022122
5101313100211
65100141054
71201453354
oct306531232
9118000107
1052081306
1127442502
121553778a
13aa36854
146cba0d4
15488b771
hex31ab29a

52081306 has 16 divisors (see below), whose sum is σ = 79704000. Its totient is φ = 25516288.

The previous prime is 52081301. The next prime is 52081331. The reversal of 52081306 is 60318025.

It is a happy number.

52081306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52081301) 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, 52491 + ... + 53473.

It is an arithmetic number, because the mean of its divisors is an integer number (4981500).

Almost surely, 252081306 is an apocalyptic number.

52081306 is a deficient number, since it is larger than the sum of its proper divisors (27622694).

52081306 is a wasteful number, since it uses less digits than its factorization.

52081306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 52081306 is about 7216.7379057300. The cubic root of 52081306 is about 373.4455499896.

The spelling of 52081306 in words is "fifty-two million, eighty-one thousand, three hundred six".

Divisors: 1 2 59 118 449 898 983 1966 26491 52982 57997 115994 441367 882734 26040653 52081306