Search a number
-
+
2897345 = 51124789
BaseRepresentation
bin1011000011010111000001
312110012102002
423003113001
51220203340
6142033345
733425033
oct13032701
95405362
102897345
1116a9900
12b78855
137a5a09
14555c53
153c3715
hex2c35c1

2897345 has 12 divisors (see below), whose sum is σ = 3822420. Its totient is φ = 2106720.

The previous prime is 2897341. The next prime is 2897357. The reversal of 2897345 is 5437982.

It can be written as a sum of positive squares in 2 ways, for example, as 559504 + 2337841 = 748^2 + 1529^2 .

It is not a de Polignac number, because 2897345 - 22 = 2897341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2897299 and 2897308.

It is not an unprimeable number, because it can be changed into a prime (2897341) 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, 1790 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (318535).

22897345 is an apocalyptic number.

It is an amenable number.

2897345 is a deficient number, since it is larger than the sum of its proper divisors (925075).

2897345 is a wasteful number, since it uses less digits than its factorization.

2897345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4805 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 2897345 is about 1702.1589232501. The cubic root of 2897345 is about 142.5607825238.

The spelling of 2897345 in words is "two million, eight hundred ninety-seven thousand, three hundred forty-five".

Divisors: 1 5 11 55 121 605 4789 23945 52679 263395 579469 2897345