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2068885 = 57134547
BaseRepresentation
bin111111001000110010101
310220002222101
413321012111
51012201020
6112202101
723404510
oct7710625
93802871
102068885
111193425
12839331
135758c0
143bbd77
152ad00a
hex1f9195

2068885 has 16 divisors (see below), whose sum is σ = 3056256. Its totient is φ = 1309248.

The previous prime is 2068877. The next prime is 2068897. The reversal of 2068885 is 5888602.

It is a cyclic number.

It is not a de Polignac number, because 2068885 - 23 = 2068877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (191016).

22068885 is an apocalyptic number.

2068885 is the 910-th heptagonal number.

It is an amenable number.

2068885 is a deficient number, since it is larger than the sum of its proper divisors (987371).

2068885 is a wasteful number, since it uses less digits than its factorization.

2068885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2068885 is about 1438.3619155136. The cubic root of 2068885 is about 127.4223030401.

The spelling of 2068885 in words is "two million, sixty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 7 13 35 65 91 455 4547 22735 31829 59111 159145 295555 413777 2068885