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2290290 = 23576343
BaseRepresentation
bin1000101111001001110010
311022100200120
420233021302
51041242130
6121031110
725316142
oct10571162
94270616
102290290
111324802
12925496
13622602
14438922
15303910
hex22f272

2290290 has 16 divisors (see below), whose sum is σ = 5496768. Its totient is φ = 610736.

The previous prime is 2290283. The next prime is 2290339. The reversal of 2290290 is 920922.

2290290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2290290.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38142 + ... + 38201.

It is an arithmetic number, because the mean of its divisors is an integer number (343548).

22290290 is an apocalyptic number.

2290290 is an abundant number, since it is smaller than the sum of its proper divisors (3206478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2290290 is a wasteful number, since it uses less digits than its factorization.

2290290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76353.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2290290 is about 1513.3704107059. The cubic root of 2290290 is about 131.8145927751.

The spelling of 2290290 in words is "two million, two hundred ninety thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 76343 152686 229029 381715 458058 763430 1145145 2290290