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2828890 = 25282889
BaseRepresentation
bin1010110010101001011010
312022201111201
422302221122
51211011030
6140344414
733021331
oct12625132
95281451
102828890
111662429
12b4510a
137807cc
14538d18
153ad2ca
hex2b2a5a

2828890 has 8 divisors (see below), whose sum is σ = 5092020. Its totient is φ = 1131552.

The previous prime is 2828887. The next prime is 2828893. The reversal of 2828890 is 988282.

2828890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2828887) and next prime (2828893).

It can be written as a sum of positive squares in 2 ways, for example, as 2712609 + 116281 = 1647^2 + 341^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2828893) 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 3 ways as a sum of consecutive naturals, for example, 141435 + ... + 141454.

22828890 is an apocalyptic number.

2828890 is a deficient number, since it is larger than the sum of its proper divisors (2263130).

2828890 is a wasteful number, since it uses less digits than its factorization.

2828890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282896.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2828890 is about 1681.9304385140. The cubic root of 2828890 is about 141.4290704041.

The spelling of 2828890 in words is "two million, eight hundred twenty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 282889 565778 1414445 2828890