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3480220 = 225374703
BaseRepresentation
bin1101010001101010011100
320112210222001
431101222130
51342331340
6202332044
741403262
oct15215234
96483861
103480220
111a67817
1211ba024
1394b103
14668432
1548b29a
hex351a9c

3480220 has 24 divisors (see below), whose sum is σ = 7507584. Its totient is φ = 1354176.

The previous prime is 3480163. The next prime is 3480221. The reversal of 3480220 is 220843.

It is a happy number.

3480220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34802202 = 24223862496800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1612 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (312816).

Almost surely, 23480220 is an apocalyptic number.

It is an amenable number.

3480220 is an abundant number, since it is smaller than the sum of its proper divisors (4027364).

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

3480220 is a wasteful number, since it uses less digits than its factorization.

3480220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3480220 is about 1865.5347758753. The cubic root of 3480220 is about 151.5428903315.

The spelling of 3480220 in words is "three million, four hundred eighty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 4703 9406 18812 23515 47030 94060 174011 348022 696044 870055 1740110 3480220