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4220530 = 25587719
BaseRepresentation
bin10000000110011001110010
321221102110221
4100012121302
52040024110
6230243254
750605516
oct20063162
97842427
104220530
112422a46
1214b652a
13b4a072
147bc146
155857da
hex406672

4220530 has 16 divisors (see below), whose sum is σ = 7620480. Its totient is φ = 1682992.

The previous prime is 4220521. The next prime is 4220533. The reversal of 4220530 is 350224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5511 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (476280).

Almost surely, 24220530 is an apocalyptic number.

4220530 is a deficient number, since it is larger than the sum of its proper divisors (3399950).

4220530 is a wasteful number, since it uses less digits than its factorization.

4220530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4220530 is about 2054.3928543489. The cubic root of 4220530 is about 161.6053238533.

Adding to 4220530 its reverse (350224), we get a palindrome (4570754).

The spelling of 4220530 in words is "four million, two hundred twenty thousand, five hundred thirty".

Divisors: 1 2 5 10 587 719 1174 1438 2935 3595 5870 7190 422053 844106 2110265 4220530