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26287012 = 2213747969
BaseRepresentation
bin110010001000…
…1101110100100
31211110112000001
41210101232210
523212141022
62335231044
7436302343
oct144215644
954415001
1026287012
1113924904
128978484
1355a4c5b
1436c3b5a
152493b27
hex1911ba4

26287012 has 12 divisors (see below), whose sum is σ = 46339020. Its totient is φ = 13047296.

The previous prime is 26287007. The next prime is 26287031. The reversal of 26287012 is 21078262.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 8444836 = 4224^2 + 2906^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23437 + ... + 24532.

It is an arithmetic number, because the mean of its divisors is an integer number (3861585).

Almost surely, 226287012 is an apocalyptic number.

It is an amenable number.

26287012 is a deficient number, since it is larger than the sum of its proper divisors (20052008).

26287012 is a wasteful number, since it uses less digits than its factorization.

26287012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48110 (or 48108 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 26287012 is about 5127.0861120133. The cubic root of 26287012 is about 297.3357123196.

The spelling of 26287012 in words is "twenty-six million, two hundred eighty-seven thousand, twelve".

Divisors: 1 2 4 137 274 548 47969 95938 191876 6571753 13143506 26287012