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2430290 = 251912791
BaseRepresentation
bin1001010001010101010010
311120110201202
421101111102
51110232130
6124031202
726441252
oct11212522
94513652
102430290
11140aa05
12992502
13671255
14473962
15330145
hex251552

2430290 has 16 divisors (see below), whose sum is σ = 4605120. Its totient is φ = 920880.

The previous prime is 2430289. The next prime is 2430293. The reversal of 2430290 is 920342.

It is not an unprimeable number, because it can be changed into a prime (2430293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6206 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (287820).

22430290 is an apocalyptic number.

2430290 is a deficient number, since it is larger than the sum of its proper divisors (2174830).

2430290 is a wasteful number, since it uses less digits than its factorization.

2430290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12817.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2430290 is about 1558.9387415803. The cubic root of 2430290 is about 134.4474903625.

The spelling of 2430290 in words is "two million, four hundred thirty thousand, two hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 12791 25582 63955 127910 243029 486058 1215145 2430290