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12107882 = 26053941
BaseRepresentation
bin101110001100…
…000001101010
3211210010220002
4232030001222
511044423012
61111303002
7204625643
oct56140152
924703802
1012107882
11691a916
12407aa62
13267c137
1418726ca
1510e27c2
hexb8c06a

12107882 has 4 divisors (see below), whose sum is σ = 18161826. Its totient is φ = 6053940.

The previous prime is 12107881. The next prime is 12107891. The reversal of 12107882 is 28870121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28870121 = 74124303.

It can be written as a sum of positive squares in only one way, i.e., 9480241 + 2627641 = 3079^2 + 1621^2 .

It is not an unprimeable number, because it can be changed into a prime (12107881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3026969 + ... + 3026972.

Almost surely, 212107882 is an apocalyptic number.

12107882 is a deficient number, since it is larger than the sum of its proper divisors (6053944).

12107882 is an equidigital number, since it uses as much as digits as its factorization.

12107882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053943.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 12107882 is about 3479.6381995834. The cubic root of 12107882 is about 229.6268808544.

The spelling of 12107882 in words is "twelve million, one hundred seven thousand, eight hundred eighty-two".

Divisors: 1 2 6053941 12107882