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2768345 = 5896221
BaseRepresentation
bin1010100011110111011001
312012122110022
422203313121
51202041340
6135200225
732346656
oct12436731
95178408
102768345
111620998
12b16075
1375c098
14520c2d
1539a3b5
hex2a3dd9

2768345 has 8 divisors (see below), whose sum is σ = 3359880. Its totient is φ = 2189440.

The previous prime is 2768341. The next prime is 2768351. The reversal of 2768345 is 5438672.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52441 + 2715904 = 229^2 + 1648^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2768345 - 22 = 2768341 is a prime.

It is a d-powerful number, because it can be written as 23 + 76 + 65 + 8 + 313 + 410 + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666 + ... + 3555.

It is an arithmetic number, because the mean of its divisors is an integer number (419985).

22768345 is an apocalyptic number.

It is an amenable number.

2768345 is a deficient number, since it is larger than the sum of its proper divisors (591535).

2768345 is an equidigital number, since it uses as much as digits as its factorization.

2768345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315.

The product of its digits is 40320, while the sum is 35.

The square root of 2768345 is about 1663.8344268586. The cubic root of 2768345 is about 140.4128121738.

It can be divided in two parts, 2768 and 345, that added together give a palindrome (3113).

The spelling of 2768345 in words is "two million, seven hundred sixty-eight thousand, three hundred forty-five".

Divisors: 1 5 89 445 6221 31105 553669 2768345