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2106559 = 72133307
BaseRepresentation
bin1000000010010010111111
310222000122201
420002102333
51014402214
6113052331
723622400
oct10022277
93860581
102106559
111209764
128570a7
13589ab0
143cb9a7
152b9274
hex2024bf

2106559 has 12 divisors (see below), whose sum is σ = 2639784. Its totient is φ = 1666224.

The previous prime is 2106551. The next prime is 2106563. The reversal of 2106559 is 9556012.

It is not a de Polignac number, because 2106559 - 23 = 2106551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106551) 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, 1017 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (219982).

22106559 is an apocalyptic number.

2106559 is a deficient number, since it is larger than the sum of its proper divisors (533225).

2106559 is a wasteful number, since it uses less digits than its factorization.

2106559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334 (or 3327 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2106559 is about 1451.3989802945. The cubic root of 2106559 is about 128.1911004553.

The spelling of 2106559 in words is "two million, one hundred six thousand, five hundred fifty-nine".

Divisors: 1 7 13 49 91 637 3307 23149 42991 162043 300937 2106559