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2125717 = 11193247
BaseRepresentation
bin1000000110111110010101
310222222221021
420012332111
51021010332
6113321141
724032266
oct10067625
93888837
102125717
1112220a0
128661b1
13595729
143d496d
152bec97
hex206f95

2125717 has 4 divisors (see below), whose sum is σ = 2318976. Its totient is φ = 1932460.

The previous prime is 2125703. The next prime is 2125733. The reversal of 2125717 is 7175212.

It is a happy number.

2125717 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2125717 - 211 = 2123669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2125691 and 2125700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125757) 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, 96613 + ... + 96634.

It is an arithmetic number, because the mean of its divisors is an integer number (579744).

22125717 is an apocalyptic number.

It is an amenable number.

2125717 is a deficient number, since it is larger than the sum of its proper divisors (193259).

2125717 is a wasteful number, since it uses less digits than its factorization.

2125717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193258.

The product of its digits is 980, while the sum is 25.

The square root of 2125717 is about 1457.9838819411. The cubic root of 2125717 is about 128.5785375846.

It can be divided in two parts, 212 and 5717, that added together give a square (5929 = 772).

The spelling of 2125717 in words is "two million, one hundred twenty-five thousand, seven hundred seventeen".

Divisors: 1 11 193247 2125717