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4267220 = 225213361
BaseRepresentation
bin10000010001110011010100
322000210112012
4100101303110
52043022340
6231243352
751161606
oct20216324
98023465
104267220
112455031
121519558
13b653a9
147d1176
15594565
hex411cd4

4267220 has 12 divisors (see below), whose sum is σ = 8961204. Its totient is φ = 1706880.

The previous prime is 4267201. The next prime is 4267261. The reversal of 4267220 is 227624.

It can be written as a sum of positive squares in 2 ways, for example, as 1295044 + 2972176 = 1138^2 + 1724^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106661 + ... + 106700.

It is an arithmetic number, because the mean of its divisors is an integer number (746767).

Almost surely, 24267220 is an apocalyptic number.

It is an amenable number.

4267220 is an abundant number, since it is smaller than the sum of its proper divisors (4693984).

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

4267220 is a wasteful number, since it uses less digits than its factorization.

4267220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213370 (or 213368 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4267220 is about 2065.7250543090. The cubic root of 4267220 is about 162.1990643395.

The spelling of 4267220 in words is "four million, two hundred sixty-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 213361 426722 853444 1066805 2133610 4267220