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3015081 = 32335009
BaseRepresentation
bin1011100000000110101001
312200011220200
423200012221
51232440311
6144342413
734425216
oct13400651
95604820
103015081
11177a303
121014a09
13817494
14586b0d
153e8556
hex2e01a9

3015081 has 6 divisors (see below), whose sum is σ = 4355130. Its totient is φ = 2010048.

The previous prime is 3015071. The next prime is 3015109. The reversal of 3015081 is 1805103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 1010025 = 1416^2 + 1005^2 .

It is a de Polignac number, because none of the positive numbers 2k-3015081 is a prime.

It is a super-2 number, since 2×30150812 = 18181426873122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3015071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167496 + ... + 167513.

It is an arithmetic number, because the mean of its divisors is an integer number (725855).

Almost surely, 23015081 is an apocalyptic number.

It is an amenable number.

3015081 is a deficient number, since it is larger than the sum of its proper divisors (1340049).

3015081 is a wasteful number, since it uses less digits than its factorization.

3015081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335015 (or 335012 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 3015081 is about 1736.3988597094. The cubic root of 3015081 is about 144.4662261476.

The spelling of 3015081 in words is "three million, fifteen thousand, eighty-one".

Divisors: 1 3 9 335009 1005027 3015081