Search a number
-
+
6866049 = 319163739
BaseRepresentation
bin11010001100010010000001
3110220211110010
4122030102001
53224203144
6403055133
7112234431
oct32142201
913824403
106866049
11396a623
1223714a9
131565268
14caa2c1
159095b9
hex68c481

6866049 has 16 divisors (see below), whose sum is σ = 9708800. Its totient is φ = 4304016.

The previous prime is 6866047. The next prime is 6866051. The reversal of 6866049 is 9406686.

It is an interprime number because it is at equal distance from previous prime (6866047) and next prime (6866051).

It is not a de Polignac number, because 6866049 - 21 = 6866047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6865998 and 6866016.

It is not an unprimeable number, because it can be changed into a prime (6866047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8922 + ... + 9660.

It is an arithmetic number, because the mean of its divisors is an integer number (606800).

Almost surely, 26866049 is an apocalyptic number.

It is an amenable number.

6866049 is a deficient number, since it is larger than the sum of its proper divisors (2842751).

6866049 is a wasteful number, since it uses less digits than its factorization.

6866049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 6866049 is about 2620.3146757594. The cubic root of 6866049 is about 190.0650654351.

The spelling of 6866049 in words is "six million, eight hundred sixty-six thousand, forty-nine".

Divisors: 1 3 19 57 163 489 739 2217 3097 9291 14041 42123 120457 361371 2288683 6866049