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8190853 = 112139487
BaseRepresentation
bin11111001111101110000101
3120102010201221
4133033232011
54044101403
6451320341
7126423016
oct37175605
916363657
108190853
114694a00
1228b00b1
13190a278
14113300d
15abbdbd
hex7cfb85

8190853 has 12 divisors (see below), whose sum is σ = 9086560. Its totient is φ = 7377480.

The previous prime is 8190839. The next prime is 8190859. The reversal of 8190853 is 3580918.

8190853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-8190853 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

8190853 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190859) 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, 16576 + ... + 17062.

Almost surely, 28190853 is an apocalyptic number.

It is an amenable number.

8190853 is a deficient number, since it is larger than the sum of its proper divisors (895707).

8190853 is a wasteful number, since it uses less digits than its factorization.

8190853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 8190853 is about 2861.9666315315. The cubic root of 8190853 is about 201.5779591492.

The spelling of 8190853 in words is "eight million, one hundred ninety thousand, eight hundred fifty-three".

Divisors: 1 11 121 139 487 1529 5357 16819 58927 67693 744623 8190853