Search a number
-
+
3072986 = 27231357
BaseRepresentation
bin1011101110001111011010
312210010100022
423232033122
51241313421
6145510442
735056100
oct13561732
95703308
103072986
111809864
121042422
13837947
1459dc70
1540a7ab
hex2ee3da

3072986 has 12 divisors (see below), whose sum is σ = 5362218. Its totient is φ = 1316952.

The previous prime is 3072983. The next prime is 3073013. The reversal of 3072986 is 6892703.

It can be written as a sum of positive squares in only one way, i.e., 2307361 + 765625 = 1519^2 + 875^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3072983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15581 + ... + 15776.

Almost surely, 23072986 is an apocalyptic number.

3072986 is a deficient number, since it is larger than the sum of its proper divisors (2289232).

3072986 is a wasteful number, since it uses less digits than its factorization.

3072986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31373 (or 31366 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3072986 is about 1752.9934398052. The cubic root of 3072986 is about 145.3851985485.

The spelling of 3072986 in words is "three million, seventy-two thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 49 98 31357 62714 219499 438998 1536493 3072986