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2108697 = 317173239
BaseRepresentation
bin1000000010110100011001
310222010120220
420002310121
51014434242
6113110253
723631543
oct10026431
93863526
102108697
111210328
12858389
1358aa66
143cc693
152b9bec
hex202d19

2108697 has 16 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 1309952.

The previous prime is 2108669. The next prime is 2108699. The reversal of 2108697 is 7968012.

It is not a de Polignac number, because 2108697 - 212 = 2104601 is a prime.

2108697 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108699) 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, 8704 + ... + 8942.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

22108697 is an apocalyptic number.

It is an amenable number.

2108697 is a deficient number, since it is larger than the sum of its proper divisors (898023).

2108697 is a wasteful number, since it uses less digits than its factorization.

2108697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2108697 is about 1452.1353242725. The cubic root of 2108697 is about 128.2344539216.

The spelling of 2108697 in words is "two million, one hundred eight thousand, six hundred ninety-seven".

Divisors: 1 3 17 51 173 239 519 717 2941 4063 8823 12189 41347 124041 702899 2108697