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34240220 = 2257234939
BaseRepresentation
bin1000001010011…
…1011011011100
32101102120202022
42002213123130
532231141340
63221515312
7564015500
oct202473334
971376668
1034240220
1118367203
12b572b38
13712acb1
144794300
1530153b5
hex20a76dc

34240220 has 36 divisors (see below), whose sum is σ = 83646360. Its totient is φ = 11739168.

The previous prime is 34240183. The next prime is 34240229. The reversal of 34240220 is 2204243.

34240220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34240229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16490 + ... + 18449.

It is an arithmetic number, because the mean of its divisors is an integer number (2323510).

Almost surely, 234240220 is an apocalyptic number.

It is an amenable number.

34240220 is an abundant number, since it is smaller than the sum of its proper divisors (49406140).

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

34240220 is a wasteful number, since it uses less digits than its factorization.

34240220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34962 (or 34953 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 34240220 is about 5851.5143339139. The cubic root of 34240220 is about 324.7223506413.

Adding to 34240220 its reverse (2204243), we get a palindrome (36444463).

The spelling of 34240220 in words is "thirty-four million, two hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 34939 69878 139756 174695 244573 349390 489146 698780 978292 1222865 1712011 2445730 3424022 4891460 6848044 8560055 17120110 34240220