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3305286 = 2362267
BaseRepresentation
bin1100100110111101000110
320012221000000
430212331012
51321232121
6154502130
740044255
oct14467506
96187000
103305286
111958346
121134946
138b95ba
1462079c
15454526
hex326f46

3305286 has 28 divisors (see below), whose sum is σ = 7436772. Its totient is φ = 1101276.

The previous prime is 3305279. The next prime is 3305287. The reversal of 3305286 is 6825033.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3305287) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 325 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (265599).

Almost surely, 23305286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3305286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3718386).

3305286 is an abundant number, since it is smaller than the sum of its proper divisors (4131486).

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

3305286 is an equidigital number, since it uses as much as digits as its factorization.

3305286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3305286 is about 1818.0445539095. The cubic root of 3305286 is about 148.9600060820.

The spelling of 3305286 in words is "three million, three hundred five thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2267 4534 6801 13602 20403 40806 61209 122418 183627 367254 550881 1101762 1652643 3305286