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4220032 = 2732969
BaseRepresentation
bin10000000110010010000000
321221101210111
4100012102000
52040020112
6230241104
750604205
oct20062200
97841714
104220032
112422633
1214b6194
13b49a7b
147bbcac
155855a7
hex406480

4220032 has 16 divisors (see below), whose sum is σ = 8407350. Its totient is φ = 2109952.

The previous prime is 4219991. The next prime is 4220039. The reversal of 4220032 is 2300224.

It can be written as a sum of positive squares in only one way, i.e., 3779136 + 440896 = 1944^2 + 664^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 4219994 and 4220021.

It is not an unprimeable number, because it can be changed into a prime (4220039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16357 + ... + 16612.

Almost surely, 24220032 is an apocalyptic number.

It is an amenable number.

4220032 is a deficient number, since it is larger than the sum of its proper divisors (4187318).

4220032 is an equidigital number, since it uses as much as digits as its factorization.

4220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32983 (or 32971 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4220032 is about 2054.2716470808. The cubic root of 4220032 is about 161.5989674149.

Adding to 4220032 its reverse (2300224), we get a palindrome (6520256).

The spelling of 4220032 in words is "four million, two hundred twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 128 32969 65938 131876 263752 527504 1055008 2110016 4220032