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52809822 = 23213225683
BaseRepresentation
bin1100100101110…
…1000001011110
310200101000110100
43021131001132
5102004403242
65123521530
71210606332
oct311350136
9120330410
1052809822
112789a88a
12158292a6
13ac30320
1470297c2
15498254c
hex325d05e

52809822 has 24 divisors (see below), whose sum is σ = 123223464. Its totient is φ = 16249104.

The previous prime is 52809821. The next prime is 52809857. The reversal of 52809822 is 22890825.

52809822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52809821) 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 11 ways as a sum of consecutive naturals, for example, 112608 + ... + 113075.

It is an arithmetic number, because the mean of its divisors is an integer number (5134311).

Almost surely, 252809822 is an apocalyptic number.

52809822 is an abundant number, since it is smaller than the sum of its proper divisors (70413642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52809822 is a wasteful number, since it uses less digits than its factorization.

52809822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225704 (or 225701 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 52809822 is about 7267.0366725372. The cubic root of 52809822 is about 375.1787521136.

The spelling of 52809822 in words is "fifty-two million, eight hundred nine thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 225683 451366 677049 1354098 2031147 2933879 4062294 5867758 8801637 17603274 26404911 52809822