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2830804 = 22412421
BaseRepresentation
bin1010110011000111010100
312022211010121
422303013110
51211041204
6140401324
733030034
oct12630724
95284117
102830804
111663909
12b46244
13781642
145398c4
153adb54
hex2b31d4

2830804 has 18 divisors (see below), whose sum is σ = 5089742. Its totient is φ = 1377600.

The previous prime is 2830801. The next prime is 2830813. The reversal of 2830804 is 4080382.

2830804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 722500 + 2108304 = 850^2 + 1452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830801) 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 5 ways as a sum of consecutive naturals, for example, 6514 + ... + 6934.

22830804 is an apocalyptic number.

It is an amenable number.

2830804 is a deficient number, since it is larger than the sum of its proper divisors (2258938).

2830804 is a wasteful number, since it uses less digits than its factorization.

2830804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2830804 is about 1682.4993313520. The cubic root of 2830804 is about 141.4609597333.

The spelling of 2830804 in words is "two million, eight hundred thirty thousand, eight hundred four".

Divisors: 1 2 4 41 82 164 421 842 1681 1684 3362 6724 17261 34522 69044 707701 1415402 2830804