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2116807 = 71137743
BaseRepresentation
bin1000000100110011000111
310222112201021
420010303013
51020214212
6113212011
723664310
oct10046307
93875637
102116807
111216430
12861007
13591664
143d1607
152bc307
hex204cc7

2116807 has 16 divisors (see below), whose sum is σ = 2714112. Its totient is φ = 1602720.

The previous prime is 2116801. The next prime is 2116811. The reversal of 2116807 is 7086112.

It is not a de Polignac number, because 2116807 - 23 = 2116799 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 (2116801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2478 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (169632).

22116807 is an apocalyptic number.

2116807 is a deficient number, since it is larger than the sum of its proper divisors (597305).

2116807 is a wasteful number, since it uses less digits than its factorization.

2116807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2116807 is about 1454.9250839820. The cubic root of 2116807 is about 128.3986392004.

The spelling of 2116807 in words is "two million, one hundred sixteen thousand, eight hundred seven".

Divisors: 1 7 11 37 77 259 407 743 2849 5201 8173 27491 57211 192437 302401 2116807