Search a number
-
+
3220942 = 21610471
BaseRepresentation
bin1100010010010111001110
320001122022011
430102113032
51311032232
6153011434
736243334
oct14222716
96048264
103220942
1118aaa3a
1210b3b7a
1388a0aa
145dbb54
15439547
hex3125ce

3220942 has 4 divisors (see below), whose sum is σ = 4831416. Its totient is φ = 1610470.

The previous prime is 3220907. The next prime is 3220951. The reversal of 3220942 is 2490223.

3220942 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 an emirpimes, since its reverse is a distinct semiprime: 2490223 = 5414603.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 805234 + ... + 805237.

It is an arithmetic number, because the mean of its divisors is an integer number (1207854).

Almost surely, 23220942 is an apocalyptic number.

3220942 is a deficient number, since it is larger than the sum of its proper divisors (1610474).

3220942 is a wasteful number, since it uses less digits than its factorization.

3220942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610473.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3220942 is about 1794.6983033368. The cubic root of 3220942 is about 147.6820236757.

The spelling of 3220942 in words is "three million, two hundred twenty thousand, nine hundred forty-two".

Divisors: 1 2 1610471 3220942