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2225490 = 235312393
BaseRepresentation
bin1000011111010101010010
311012001210120
420133111102
51032203430
6115411110
724626211
oct10372522
94161716
102225490
111290053
128b3a96
135cbc77
1441d078
152de610
hex21f552

2225490 has 32 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 574080.

The previous prime is 2225473. The next prime is 2225491. The reversal of 2225490 is 945222.

2225490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2225490.

It is not an unprimeable number, because it can be changed into a prime (2225491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 267 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

22225490 is an apocalyptic number.

2225490 is an abundant number, since it is smaller than the sum of its proper divisors (3290286).

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

2225490 is a wasteful number, since it uses less digits than its factorization.

2225490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2225490 is about 1491.8076283489. The cubic root of 2225490 is about 130.5595212986.

The spelling of 2225490 in words is "two million, two hundred twenty-five thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 2393 4786 7179 11965 14358 23930 35895 71790 74183 148366 222549 370915 445098 741830 1112745 2225490