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256827468 = 22321402289
BaseRepresentation
bin11110100111011…
…10000001001100
3122220021012001110
433103232001030
51011221434333
641252412020
76235666062
oct1723560114
9586235043
10256827468
11121a77307
1272017010
1341293221
1426176032
1517832063
hexf4ee04c

256827468 has 12 divisors (see below), whose sum is σ = 599264120. Its totient is φ = 85609152.

The previous prime is 256827443. The next prime is 256827469. The reversal of 256827468 is 864728652.

256827468 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (256827469) 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, 10701133 + ... + 10701156.

Almost surely, 2256827468 is an apocalyptic number.

It is an amenable number.

256827468 is an abundant number, since it is smaller than the sum of its proper divisors (342436652).

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

256827468 is a wasteful number, since it uses less digits than its factorization.

256827468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402296 (or 21402294 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 256827468 is about 16025.8375132160. The cubic root of 256827468 is about 635.6438118690.

The spelling of 256827468 in words is "two hundred fifty-six million, eight hundred twenty-seven thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 21402289 42804578 64206867 85609156 128413734 256827468