Search a number
-
+
3006491 = 23671951
BaseRepresentation
bin1011011110000000011011
312122202010112
423132000123
51232201431
6144234535
734361165
oct13360033
95582115
103006491
111773904
12100ba4b
138135b7
14583935
153e5c2b
hex2de01b

3006491 has 8 divisors (see below), whose sum is σ = 3185664. Its totient is φ = 2831400.

The previous prime is 3006469. The next prime is 3006511. The reversal of 3006491 is 1946003.

3006491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3006491 - 218 = 2744347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3006461) 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 7 ways as a sum of consecutive naturals, for example, 566 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (398208).

Almost surely, 23006491 is an apocalyptic number.

3006491 is a deficient number, since it is larger than the sum of its proper divisors (179173).

3006491 is a wasteful number, since it uses less digits than its factorization.

3006491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3006491 is about 1733.9235853982. The cubic root of 3006491 is about 144.3289003445.

The spelling of 3006491 in words is "three million, six thousand, four hundred ninety-one".

Divisors: 1 23 67 1541 1951 44873 130717 3006491