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4224260 = 225211213
BaseRepresentation
bin10000000111010100000100
321221121121002
4100013110010
52040134020
6230312432
750622425
oct20072404
97847532
104224260
112425827
1214b8718
13b4b981
147bd64c
15586975
hex407504

4224260 has 12 divisors (see below), whose sum is σ = 8870988. Its totient is φ = 1689696.

The previous prime is 4224247. The next prime is 4224281. The reversal of 4224260 is 624224.

It can be written as a sum of positive squares in 2 ways, for example, as 568516 + 3655744 = 754^2 + 1912^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 211213 = 4224260 / (4 + 2 + 2 + 4 + 2 + 6 + 0).

It is an Ulam number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 105587 + ... + 105626.

It is an arithmetic number, because the mean of its divisors is an integer number (739249).

Almost surely, 24224260 is an apocalyptic number.

It is an amenable number.

4224260 is an abundant number, since it is smaller than the sum of its proper divisors (4646728).

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

4224260 is a wasteful number, since it uses less digits than its factorization.

4224260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211222 (or 211220 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4224260 is about 2055.3004646523. The cubic root of 4224260 is about 161.6529174311.

Adding to 4224260 its reverse (624224), we get a palindrome (4848484).

The spelling of 4224260 in words is "four million, two hundred twenty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 211213 422426 844852 1056065 2112130 4224260