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5820857 = 72211563
BaseRepresentation
bin10110001101000110111001
3101221201201022
4112031012321
52442231412
6324432225
7100322300
oct26150671
911851638
105820857
113316329
121b48675
13128a5c3
14ab7437
1579ea72
hex58d1b9

5820857 has 12 divisors (see below), whose sum is σ = 6815376. Its totient is φ = 4956840.

The previous prime is 5820853. The next prime is 5820869. The reversal of 5820857 is 7580285.

It is not a de Polignac number, because 5820857 - 22 = 5820853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5820853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10058 + ... + 10620.

It is an arithmetic number, because the mean of its divisors is an integer number (567948).

Almost surely, 25820857 is an apocalyptic number.

It is an amenable number.

5820857 is a deficient number, since it is larger than the sum of its proper divisors (994519).

5820857 is a wasteful number, since it uses less digits than its factorization.

5820857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 5820857 is about 2412.6452287893. The cubic root of 5820857 is about 179.8852869919.

The spelling of 5820857 in words is "five million, eight hundred twenty thousand, eight hundred fifty-seven".

Divisors: 1 7 49 211 563 1477 3941 10339 27587 118793 831551 5820857