Search a number
-
+
3279980 = 2251117877
BaseRepresentation
bin1100100000110001101100
320011122021202
430200301230
51314424410
6154145032
736610424
oct14406154
96148252
103279980
111940330
121122178
138aac22
14615484
1544bca5
hex320c6c

3279980 has 48 divisors (see below), whose sum is σ = 7965216. Its totient is φ = 1121280.

The previous prime is 3279977. The next prime is 3280003. The reversal of 3279980 is 899723.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3302 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (165942).

Almost surely, 23279980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3279980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3982608).

3279980 is an abundant number, since it is smaller than the sum of its proper divisors (4685236).

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

3279980 is a wasteful number, since it uses less digits than its factorization.

3279980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3279980 is about 1811.0715060428. The cubic root of 3279980 is about 148.5788748381.

The spelling of 3279980 in words is "three million, two hundred seventy-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 877 935 1754 1870 3508 3740 4385 8770 9647 14909 17540 19294 29818 38588 48235 59636 74545 96470 149090 163999 192940 298180 327998 655996 819995 1639990 3279980