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2285390 = 25228539
BaseRepresentation
bin1000101101111101001110
311022002222002
420231331032
51041113030
6120552302
725265642
oct10557516
94262862
102285390
111321058
12922692
13620303
14436c22
15302245
hex22df4e

2285390 has 8 divisors (see below), whose sum is σ = 4113720. Its totient is φ = 914152.

The previous prime is 2285389. The next prime is 2285399. The reversal of 2285390 is 935822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114260 + ... + 114279.

It is an arithmetic number, because the mean of its divisors is an integer number (514215).

22285390 is an apocalyptic number.

2285390 is a deficient number, since it is larger than the sum of its proper divisors (1828330).

2285390 is a wasteful number, since it uses less digits than its factorization.

2285390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228546.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2285390 is about 1511.7506408135. The cubic root of 2285390 is about 131.7205213294.

The spelling of 2285390 in words is "two million, two hundred eighty-five thousand, three hundred ninety".

Divisors: 1 2 5 10 228539 457078 1142695 2285390