Search a number
-
+
3289220 = 2251114951
BaseRepresentation
bin1100100011000010000100
320012002221222
430203002010
51320223340
6154255512
736646364
oct14430204
96162858
103289220
111947270
121127598
138b21ac
146189a4
1544e8b5
hex323084

3289220 has 24 divisors (see below), whose sum is σ = 7535808. Its totient is φ = 1196000.

The previous prime is 3289171. The next prime is 3289229. The reversal of 3289220 is 229823.

It is a self number, because there is not a number n which added to its sum of digits gives 3289220.

It is not an unprimeable number, because it can be changed into a prime (3289229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7256 + ... + 7695.

It is an arithmetic number, because the mean of its divisors is an integer number (313992).

Almost surely, 23289220 is an apocalyptic number.

It is an amenable number.

3289220 is an abundant number, since it is smaller than the sum of its proper divisors (4246588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3289220 is a wasteful number, since it uses less digits than its factorization.

3289220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14971 (or 14969 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3289220 is about 1813.6206880161. The cubic root of 3289220 is about 148.7182640673.

The spelling of 3289220 in words is "three million, two hundred eighty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 14951 29902 59804 74755 149510 164461 299020 328922 657844 822305 1644610 3289220