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3443420 = 225172171
BaseRepresentation
bin1101001000101011011100
320110221111002
431020223130
51340142140
6201445432
741161061
oct15105334
96427432
103443420
111a42102
1211a0878
13937436
14658c68
15480415
hex348adc

3443420 has 12 divisors (see below), whose sum is σ = 7231224. Its totient is φ = 1377360.

The previous prime is 3443413. The next prime is 3443437. The reversal of 3443420 is 243443.

It is a happy number.

3443420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 172171 = 3443420 / (3 + 4 + 4 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3443392 and 3443401.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 86066 + ... + 86105.

It is an arithmetic number, because the mean of its divisors is an integer number (602602).

Almost surely, 23443420 is an apocalyptic number.

It is an amenable number.

3443420 is an abundant number, since it is smaller than the sum of its proper divisors (3787804).

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

3443420 is a wasteful number, since it uses less digits than its factorization.

3443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172180 (or 172178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3443420 is about 1855.6454402714. The cubic root of 3443420 is about 151.0068561131.

Adding to 3443420 its reverse (243443), we get a palindrome (3686863).

The spelling of 3443420 in words is "three million, four hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 172171 344342 688684 860855 1721710 3443420