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3444820 = 225414201
BaseRepresentation
bin1101001001000001010100
320111000101221
431021001110
51340213240
6201500124
741165131
oct15110124
96430357
103444820
111a43165
1211a1644
13937c72
14659588
15480a4a
hex349054

3444820 has 24 divisors (see below), whose sum is σ = 7412328. Its totient is φ = 1344000.

The previous prime is 3444817. The next prime is 3444821. The reversal of 3444820 is 284443.

3444820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 3261636 = 428^2 + 1806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444821) 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, 1281 + ... + 2920.

It is an arithmetic number, because the mean of its divisors is an integer number (308847).

Almost surely, 23444820 is an apocalyptic number.

It is an amenable number.

3444820 is an abundant number, since it is smaller than the sum of its proper divisors (3967508).

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

3444820 is a wasteful number, since it uses less digits than its factorization.

3444820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251 (or 4249 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 3444820 is about 1856.0226291724. The cubic root of 3444820 is about 151.0273184204.

The spelling of 3444820 in words is "three million, four hundred forty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 4201 8402 16804 21005 42010 84020 172241 344482 688964 861205 1722410 3444820