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12888082 = 26444041
BaseRepresentation
bin110001001010…
…100000010010
3220020210010101
4301022200102
511244404312
61140123014
7214355404
oct61124022
926223111
1012888082
117303009
12439646a
1328932ac
1419d6b74
1511e8a57
hexc4a812

12888082 has 4 divisors (see below), whose sum is σ = 19332126. Its totient is φ = 6444040.

The previous prime is 12888079. The next prime is 12888121. The reversal of 12888082 is 28088821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12595401 + 292681 = 3549^2 + 541^2 .

It is a super-2 number, since 2×128880822 = 332205315277448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222019 + ... + 3222022.

Almost surely, 212888082 is an apocalyptic number.

12888082 is a deficient number, since it is larger than the sum of its proper divisors (6444044).

12888082 is an equidigital number, since it uses as much as digits as its factorization.

12888082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444043.

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 12888082 is about 3589.9974930353. The cubic root of 12888082 is about 234.4567623951.

The spelling of 12888082 in words is "twelve million, eight hundred eighty-eight thousand, eighty-two".

Divisors: 1 2 6444041 12888082