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3038081 = 19159899
BaseRepresentation
bin1011100101101110000001
312201100110112
423211232001
51234204311
6145041105
734552244
oct13455601
95640415
103038081
111795612
121026195
13824aa7
1459125b
1540028b
hex2e5b81

3038081 has 4 divisors (see below), whose sum is σ = 3198000. Its totient is φ = 2878164.

The previous prime is 3038071. The next prime is 3038089. The reversal of 3038081 is 1808303.

3038081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1808303 = 7258329.

It is a cyclic number.

It is not a de Polignac number, because 3038081 - 26 = 3038017 is a prime.

It is a super-2 number, since 2×30380812 = 18459872325122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3038089) 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, 79931 + ... + 79968.

It is an arithmetic number, because the mean of its divisors is an integer number (799500).

Almost surely, 23038081 is an apocalyptic number.

It is an amenable number.

3038081 is a deficient number, since it is larger than the sum of its proper divisors (159919).

3038081 is a wasteful number, since it uses less digits than its factorization.

3038081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159918.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 3038081 is about 1743.0091795513. The cubic root of 3038081 is about 144.8326408360.

The spelling of 3038081 in words is "three million, thirty-eight thousand, eighty-one".

Divisors: 1 19 159899 3038081