Search a number
-
+
6249009 = 313160231
BaseRepresentation
bin10111110101101000110001
3102202111000210
4113311220301
53044432014
6341534333
7104054454
oct27655061
912674023
106249009
113588a78
1221143a9
1313aa450
14b8949b
15836859
hex5f5a31

6249009 has 8 divisors (see below), whose sum is σ = 8972992. Its totient is φ = 3845520.

The previous prime is 6248999. The next prime is 6249029. The reversal of 6249009 is 9009426.

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

It is not a de Polignac number, because 6249009 - 27 = 6248881 is a prime.

It is a super-2 number, since 2×62490092 = 78100226964162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6249029) 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 7 ways as a sum of consecutive naturals, for example, 80077 + ... + 80154.

It is an arithmetic number, because the mean of its divisors is an integer number (1121624).

Almost surely, 26249009 is an apocalyptic number.

It is an amenable number.

6249009 is a deficient number, since it is larger than the sum of its proper divisors (2723983).

6249009 is a wasteful number, since it uses less digits than its factorization.

6249009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160247.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6249009 is about 2499.8017921427. The cubic root of 6249009 is about 184.1918387502.

The spelling of 6249009 in words is "six million, two hundred forty-nine thousand, nine".

Divisors: 1 3 13 39 160231 480693 2083003 6249009