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2430045 = 32554001
BaseRepresentation
bin1001010001010001011101
311120110101200
421101101131
51110230140
6124030113
726440452
oct11212135
94513350
102430045
11140a802
12992339
136710c7
14473829
15330030
hex25145d

2430045 has 12 divisors (see below), whose sum is σ = 4212156. Its totient is φ = 1296000.

The previous prime is 2430013. The next prime is 2430047. The reversal of 2430045 is 5400342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 1734489 = 834^2 + 1317^2 .

It is not a de Polignac number, because 2430045 - 25 = 2430013 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430047) 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, 26956 + ... + 27045.

It is an arithmetic number, because the mean of its divisors is an integer number (351013).

22430045 is an apocalyptic number.

It is an amenable number.

2430045 is a deficient number, since it is larger than the sum of its proper divisors (1782111).

2430045 is a wasteful number, since it uses less digits than its factorization.

2430045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54012 (or 54009 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2430045 is about 1558.8601605019. The cubic root of 2430045 is about 134.4429722814.

Adding to 2430045 its reverse (5400342), we get a palindrome (7830387).

The spelling of 2430045 in words is "two million, four hundred thirty thousand, forty-five".

Divisors: 1 3 5 9 15 45 54001 162003 270005 486009 810015 2430045