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8485853 = 17947407
BaseRepresentation
bin100000010111…
…101111011101
3120222010101212
4200113233131
54133021403
6501514205
7132062045
oct40275735
916863355
108485853
114876602
122a12965
1319b161c
1411ac725
15b294d8
hex817bdd

8485853 has 4 divisors (see below), whose sum is σ = 8533440. Its totient is φ = 8438268.

The previous prime is 8485843. The next prime is 8485859. The reversal of 8485853 is 3585848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8485853 - 210 = 8484829 is a prime.

It is a super-2 number, since 2×84858532 = 144019402275218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8485853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8485859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23525 + ... + 23882.

It is an arithmetic number, because the mean of its divisors is an integer number (2133360).

Almost surely, 28485853 is an apocalyptic number.

It is an amenable number.

8485853 is a deficient number, since it is larger than the sum of its proper divisors (47587).

8485853 is a wasteful number, since it uses less digits than its factorization.

8485853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47586.

The product of its digits is 153600, while the sum is 41.

The square root of 8485853 is about 2913.0487465884. The cubic root of 8485853 is about 203.9694703128.

The spelling of 8485853 in words is "eight million, four hundred eighty-five thousand, eight hundred fifty-three".

Divisors: 1 179 47407 8485853