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3287220 = 223554787
BaseRepresentation
bin1100100010100010110100
320012000012220
430202202310
51320142340
6154242340
736640506
oct14424264
96160186
103287220
111945812
1211263b0
138b1301
14617d76
1544ded0
hex3228b4

3287220 has 24 divisors (see below), whose sum is σ = 9204384. Its totient is φ = 876576.

The previous prime is 3287189. The next prime is 3287261. The reversal of 3287220 is 227823.

3287220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 39 + 212 + 82 + 76 + 220 + 221 + 0 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27334 + ... + 27453.

It is an arithmetic number, because the mean of its divisors is an integer number (383516).

Almost surely, 23287220 is an apocalyptic number.

3287220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3287220 is an abundant number, since it is smaller than the sum of its proper divisors (5917164).

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

3287220 is a wasteful number, since it uses less digits than its factorization.

3287220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54799 (or 54797 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 3287220 is about 1813.0692209621. The cubic root of 3287220 is about 148.6881153965.

The spelling of 3287220 in words is "three million, two hundred eighty-seven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 54787 109574 164361 219148 273935 328722 547870 657444 821805 1095740 1643610 3287220