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6809268 = 223567439
BaseRepresentation
bin11001111110011010110100
3110210221120010
4121332122310
53220344033
6401540220
7111610044
oct31763264
913727503
106809268
1139309a4
122344670
13154546b
14c93724
158e7863
hex67e6b4

6809268 has 12 divisors (see below), whose sum is σ = 15888320. Its totient is φ = 2269752.

The previous prime is 6809261. The next prime is 6809279. The reversal of 6809268 is 8629086.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×68092682 = 92732261391648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809261) 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, 283708 + ... + 283731.

Almost surely, 26809268 is an apocalyptic number.

It is an amenable number.

6809268 is an abundant number, since it is smaller than the sum of its proper divisors (9079052).

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

6809268 is a wasteful number, since it uses less digits than its factorization.

6809268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567446 (or 567444 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 6809268 is about 2609.4574148662. The cubic root of 6809268 is about 189.5396797557.

The spelling of 6809268 in words is "six million, eight hundred nine thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 567439 1134878 1702317 2269756 3404634 6809268