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6928340 = 225346417
BaseRepresentation
bin11010011011011111010100
3111000222220012
4122123133110
53233201330
6404255352
7112614146
oct32333724
914028805
106928340
113a02401
1223a1558
131587713
14cc4c96
1591cc95
hex69b7d4

6928340 has 12 divisors (see below), whose sum is σ = 14549556. Its totient is φ = 2771328.

The previous prime is 6928309. The next prime is 6928349. The reversal of 6928340 is 438296.

It can be written as a sum of positive squares in 2 ways, for example, as 4251844 + 2676496 = 2062^2 + 1636^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 66 + 97 + 221 + 83 + 33 + 45 + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 6928297 and 6928306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6928349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173189 + ... + 173228.

It is an arithmetic number, because the mean of its divisors is an integer number (1212463).

Almost surely, 26928340 is an apocalyptic number.

It is an amenable number.

6928340 is an abundant number, since it is smaller than the sum of its proper divisors (7621216).

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

6928340 is a wasteful number, since it uses less digits than its factorization.

6928340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346426 (or 346424 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 6928340 is about 2632.1740064061. The cubic root of 6928340 is about 190.6381130458.

The spelling of 6928340 in words is "six million, nine hundred twenty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 346417 692834 1385668 1732085 3464170 6928340