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2108797 = 14914153
BaseRepresentation
bin1000000010110101111101
310222010201121
420002311331
51014440142
6113110541
723632045
oct10026575
93863647
102108797
111210409
12858451
1358ab12
143cc725
152b9c67
hex202d7d

2108797 has 4 divisors (see below), whose sum is σ = 2123100. Its totient is φ = 2094496.

The previous prime is 2108773. The next prime is 2108807. The reversal of 2108797 is 7978012.

2108797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 1610361 = 706^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108797 - 27 = 2108669 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 (2108737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6928 + ... + 7225.

It is an arithmetic number, because the mean of its divisors is an integer number (530775).

22108797 is an apocalyptic number.

It is an amenable number.

2108797 is a deficient number, since it is larger than the sum of its proper divisors (14303).

2108797 is a wasteful number, since it uses less digits than its factorization.

2108797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2108797 is about 1452.1697559170. The cubic root of 2108797 is about 128.2364809621.

The spelling of 2108797 in words is "two million, one hundred eight thousand, seven hundred ninety-seven".

Divisors: 1 149 14153 2108797