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3020489 = 15111999
BaseRepresentation
bin1011100001011011001001
312200110022222
423201123021
51233123424
6144423425
734450043
oct13413311
95613288
103020489
11178337a
121017b75
13819a94
14588a93
153e9e5e
hex2e16c9

3020489 has 4 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 3016980.

The previous prime is 3020471. The next prime is 3020491. The reversal of 3020489 is 9840203.

3020489 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3020489 - 28 = 3020233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3020189) 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, 512 + ... + 2510.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 23020489 is an apocalyptic number.

It is an amenable number.

3020489 is a deficient number, since it is larger than the sum of its proper divisors (3511).

3020489 is a wasteful number, since it uses less digits than its factorization.

3020489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3020489 is about 1737.9554079435. The cubic root of 3020489 is about 144.5525485058.

The spelling of 3020489 in words is "three million, twenty thousand, four hundred eighty-nine".

Divisors: 1 1511 1999 3020489