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3042869 = 1928429
BaseRepresentation
bin1011100110111000110101
312201121000212
423212320311
51234332434
6145115205
734602224
oct13467065
95647025
103042869
111799175
121028b05
1382701b
14592cbb
154018ce
hex2e6e35

3042869 has 6 divisors (see below), whose sum is σ = 3211830. Its totient is φ = 2882376.

The previous prime is 3042857. The next prime is 3042899. The reversal of 3042869 is 9682403.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 902500 = 1463^2 + 950^2 .

It is a de Polignac number, because none of the positive numbers 2k-3042869 is a prime.

It is a super-2 number, since 2×30428692 = 18518103502322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042829) 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 5 ways as a sum of consecutive naturals, for example, 3854 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (535305).

Almost surely, 23042869 is an apocalyptic number.

It is an amenable number.

3042869 is a deficient number, since it is larger than the sum of its proper divisors (168961).

3042869 is an equidigital number, since it uses as much as digits as its factorization.

3042869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467 (or 8448 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3042869 is about 1744.3821255677. The cubic root of 3042869 is about 144.9086860663.

The spelling of 3042869 in words is "three million, forty-two thousand, eight hundred sixty-nine".

Divisors: 1 19 361 8429 160151 3042869