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4235620 = 225211781
BaseRepresentation
bin10000001010000101100100
321222012011211
4100022011210
52041014440
6230441204
751000514
oct20120544
97865154
104235620
112433314
121503204
13b53bac
147c3844
15589eea
hex40a164

4235620 has 12 divisors (see below), whose sum is σ = 8894844. Its totient is φ = 1694240.

The previous prime is 4235603. The next prime is 4235633. The reversal of 4235620 is 265324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1493284 + 2742336 = 1222^2 + 1656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4235591 and 4235600.

It is a congruent 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, 105871 + ... + 105910.

It is an arithmetic number, because the mean of its divisors is an integer number (741237).

Almost surely, 24235620 is an apocalyptic number.

It is an amenable number.

4235620 is an abundant number, since it is smaller than the sum of its proper divisors (4659224).

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

4235620 is a wasteful number, since it uses less digits than its factorization.

4235620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211790 (or 211788 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 4235620 is about 2058.0621953673. The cubic root of 4235620 is about 161.7976949346.

The spelling of 4235620 in words is "four million, two hundred thirty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 211781 423562 847124 1058905 2117810 4235620