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6682220 = 2252291459
BaseRepresentation
bin11001011111011001101100
3110120111021122
4121133121230
53202312340
6355120112
7110540456
oct31373154
913514248
106682220
1138544a6
1222a3038
1314cc69c
14c5d2d6
158bedb5
hex65f66c

6682220 has 24 divisors (see below), whose sum is σ = 14103600. Its totient is φ = 2659392.

The previous prime is 6682219. The next prime is 6682223. The reversal of 6682220 is 222866.

It is a self number, because there is not a number n which added to its sum of digits gives 6682220.

It is not an unprimeable number, because it can be changed into a prime (6682223) 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, 3851 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (587650).

Almost surely, 26682220 is an apocalyptic number.

It is an amenable number.

6682220 is an abundant number, since it is smaller than the sum of its proper divisors (7421380).

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

6682220 is a wasteful number, since it uses less digits than its factorization.

6682220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6682220 is about 2584.9990328818. Note that the first 3 decimals coincide. The cubic root of 6682220 is about 188.3534545726.

The spelling of 6682220 in words is "six million, six hundred eighty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 229 458 916 1145 1459 2290 2918 4580 5836 7295 14590 29180 334111 668222 1336444 1670555 3341110 6682220