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3218068 = 2271923263
BaseRepresentation
bin1100010001101010010100
320001111100201
430101222110
51310434233
6152550244
736232060
oct14215224
96044321
103218068
1118a8867
1210b2384
138889a9
145daaa0
1543877d
hex311a94

3218068 has 48 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 1245024.

The previous prime is 3218063. The next prime is 3218069. The reversal of 3218068 is 8608123.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12105 + ... + 12367.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

Almost surely, 23218068 is an apocalyptic number.

3218068 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3218068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3548160).

3218068 is an abundant number, since it is smaller than the sum of its proper divisors (3878252).

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

3218068 is a wasteful number, since it uses less digits than its factorization.

3218068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3218068 is about 1793.8974329654. The cubic root of 3218068 is about 147.6380857596.

The spelling of 3218068 in words is "three million, two hundred eighteen thousand, sixty-eight".

Divisors: 1 2 4 7 14 19 23 28 38 46 76 92 133 161 263 266 322 437 526 532 644 874 1052 1748 1841 3059 3682 4997 6049 6118 7364 9994 12098 12236 19988 24196 34979 42343 69958 84686 114931 139916 169372 229862 459724 804517 1609034 3218068