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6881396 = 2217101197
BaseRepresentation
bin11010010000000001110100
3110221121111112
4122100001310
53230201041
6403254152
7112330244
oct32200164
913847445
106881396
113980105
12237a358
13156c242
14cb1b24
1590ddeb
hex690074

6881396 has 12 divisors (see below), whose sum is σ = 12750948. Its totient is φ = 3238272.

The previous prime is 6881389. The next prime is 6881417. The reversal of 6881396 is 6931886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5808100 + 1073296 = 2410^2 + 1036^2 .

It is a super-2 number, since 2×68813962 = 94707221817632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50531 + ... + 50666.

It is an arithmetic number, because the mean of its divisors is an integer number (1062579).

Almost surely, 26881396 is an apocalyptic number.

It is an amenable number.

6881396 is a deficient number, since it is larger than the sum of its proper divisors (5869552).

6881396 is a wasteful number, since it uses less digits than its factorization.

6881396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101218 (or 101216 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 6881396 is about 2623.2415062285. The cubic root of 6881396 is about 190.2065712680.

The spelling of 6881396 in words is "six million, eight hundred eighty-one thousand, three hundred ninety-six".

Divisors: 1 2 4 17 34 68 101197 202394 404788 1720349 3440698 6881396