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2245828 = 221343189
BaseRepresentation
bin1000100100010011000100
311020002200211
420210103010
51033331303
6120045204
725042414
oct10442304
94202624
102245828
1112a4362
12903804
136082c0
14426644
152e566d
hex2244c4

2245828 has 12 divisors (see below), whose sum is σ = 4232620. Its totient is φ = 1036512.

The previous prime is 2245813. The next prime is 2245849. The reversal of 2245828 is 8285422.

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 2079364 = 408^2 + 1442^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2245828.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21543 + ... + 21646.

22245828 is an apocalyptic number.

It is an amenable number.

2245828 is a deficient number, since it is larger than the sum of its proper divisors (1986792).

2245828 is a wasteful number, since it uses less digits than its factorization.

2245828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43206 (or 43204 counting only the distinct ones).

The product of its digits is 10240, while the sum is 31.

The square root of 2245828 is about 1498.6086880837. The cubic root of 2245828 is about 130.9560289851.

The spelling of 2245828 in words is "two million, two hundred forty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 52 43189 86378 172756 561457 1122914 2245828