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2068853 = 19108887
BaseRepresentation
bin111111001000101110101
310220002221012
413321011311
51012200403
6112202005
723404433
oct7710565
93802835
102068853
1111933a6
12839305
13575897
143bbd53
152aced8
hex1f9175

2068853 has 4 divisors (see below), whose sum is σ = 2177760. Its totient is φ = 1959948.

The previous prime is 2068841. The next prime is 2068877. The reversal of 2068853 is 3588602.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3588602 = 21794301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2068853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068813) 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 3 ways as a sum of consecutive naturals, for example, 54425 + ... + 54462.

It is an arithmetic number, because the mean of its divisors is an integer number (544440).

22068853 is an apocalyptic number.

It is an amenable number.

2068853 is a deficient number, since it is larger than the sum of its proper divisors (108907).

2068853 is a wasteful number, since it uses less digits than its factorization.

2068853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108906.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2068853 is about 1438.3507917056. The cubic root of 2068853 is about 127.4216460784.

The spelling of 2068853 in words is "two million, sixty-eight thousand, eight hundred fifty-three".

Divisors: 1 19 108887 2068853