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2716220 = 2251331337
BaseRepresentation
bin1010010111001000111100
312002222221202
422113020330
51143404340
6134115032
732042003
oct12271074
95088852
102716220
111595811
12aaba78
13741440
14509c3a
15389c15
hex29723c

2716220 has 48 divisors (see below), whose sum is σ = 6359808. Its totient is φ = 967680.

The previous prime is 2716201. The next prime is 2716223. The reversal of 2716220 is 226172.

2716220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2716192 and 2716201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2716223) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 7892 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (132496).

22716220 is an apocalyptic number.

2716220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2716220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3179904).

2716220 is an abundant number, since it is smaller than the sum of its proper divisors (3643588).

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

2716220 is a wasteful number, since it uses less digits than its factorization.

2716220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2716220 is about 1648.0958709978. The cubic root of 2716220 is about 139.5259476491.

The spelling of 2716220 in words is "two million, seven hundred sixteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 260 310 337 403 620 674 806 1348 1612 1685 2015 3370 4030 4381 6740 8060 8762 10447 17524 20894 21905 41788 43810 52235 87620 104470 135811 208940 271622 543244 679055 1358110 2716220