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855479245 = 5571129959
BaseRepresentation
bin110010111111011…
…001001111001101
32012121201211220111
4302333121033031
53223000313440
6220515520021
730125311405
oct6277311715
92177654814
10855479245
113a9994245
121ba5b9011
1310830924a
148188b805
15501854ea
hex32fd93cd

855479245 has 8 divisors (see below), whose sum is σ = 1026789120. Its totient is φ = 684240720.

The previous prime is 855479243. The next prime is 855479333. The reversal of 855479245 is 542974558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855479245 - 21 = 855479243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855479243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13576 + ... + 43534.

It is an arithmetic number, because the mean of its divisors is an integer number (128348640).

Almost surely, 2855479245 is an apocalyptic number.

It is an amenable number.

855479245 is a deficient number, since it is larger than the sum of its proper divisors (171309875).

855479245 is a wasteful number, since it uses less digits than its factorization.

855479245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35675.

The product of its digits is 2016000, while the sum is 49.

The square root of 855479245 is about 29248.5768029831. The cubic root of 855479245 is about 949.2992967818.

The spelling of 855479245 in words is "eight hundred fifty-five million, four hundred seventy-nine thousand, two hundred forty-five".

Divisors: 1 5 5711 28555 29959 149795 171095849 855479245