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6894020 = 2257232141
BaseRepresentation
bin11010010011000111000100
3110222020211002
4122103013010
53231102040
6403432432
7112412120
oct32230704
913866732
106894020
113989641
122385718
131574c03
14cb6580
15912a15
hex6931c4

6894020 has 48 divisors (see below), whose sum is σ = 17273088. Its totient is φ = 2259840.

The previous prime is 6894011. The next prime is 6894023. The reversal of 6894020 is 204986.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6894023) 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, 2150 + ... + 4290.

It is an arithmetic number, because the mean of its divisors is an integer number (359856).

Almost surely, 26894020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6894020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8636544).

6894020 is an abundant number, since it is smaller than the sum of its proper divisors (10379068).

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

6894020 is a wasteful number, since it uses less digits than its factorization.

6894020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6894020 is about 2625.6465870334. The cubic root of 6894020 is about 190.3228122617.

The spelling of 6894020 in words is "six million, eight hundred ninety-four thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 2141 3220 4282 8564 10705 14987 21410 29974 42820 49243 59948 74935 98486 149870 196972 246215 299740 344701 492430 689402 984860 1378804 1723505 3447010 6894020