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3045013 = 22913297
BaseRepresentation
bin1011100111011010010101
312201200222021
423213122111
51234420023
6145133141
734611406
oct13473225
95650867
103045013
11179a844
12102a1b1
13827caa
145939ad
1540235d
hex2e7695

3045013 has 4 divisors (see below), whose sum is σ = 3058540. Its totient is φ = 3031488.

The previous prime is 3044983. The next prime is 3045017. The reversal of 3045013 is 3105403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3105403 = 7443629.

It can be written as a sum of positive squares in 2 ways, for example, as 1214404 + 1830609 = 1102^2 + 1353^2 .

It is a cyclic number.

It is not a de Polignac number, because 3045013 - 221 = 947861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045017) 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 3 ways as a sum of consecutive naturals, for example, 6420 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (764635).

Almost surely, 23045013 is an apocalyptic number.

It is an amenable number.

3045013 is a deficient number, since it is larger than the sum of its proper divisors (13527).

3045013 is a wasteful number, since it uses less digits than its factorization.

3045013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13526.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3045013 is about 1744.9965616012. The cubic root of 3045013 is about 144.9427122087.

The spelling of 3045013 in words is "three million, forty-five thousand, thirteen".

Divisors: 1 229 13297 3045013