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256212034 = 21341240349
BaseRepresentation
bin11110100010101…
…11110001000010
3122212002220211121
433101113301002
51011042241114
641231302454
76230523601
oct1721276102
9585086747
10256212034
11121696991
127197aa2a
1341109070
1426055a38
151775ea24
hexf457c42

256212034 has 16 divisors (see below), whose sum is σ = 423977400. Its totient is φ = 115367040.

The previous prime is 256212031. The next prime is 256212041. The reversal of 256212034 is 430212652.

256212034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 94031809 + 162180225 = 9697^2 + 12735^2 .

It is not an unprimeable number, because it can be changed into a prime (256212031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119109 + ... + 121240.

Almost surely, 2256212034 is an apocalyptic number.

256212034 is a deficient number, since it is larger than the sum of its proper divisors (167765366).

256212034 is a wasteful number, since it uses less digits than its factorization.

256212034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240405.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 256212034 is about 16006.6246910459. The cubic root of 256212034 is about 635.1356760537.

Adding to 256212034 its reverse (430212652), we get a palindrome (686424686).

The spelling of 256212034 in words is "two hundred fifty-six million, two hundred twelve thousand, thirty-four".

Divisors: 1 2 13 26 41 82 533 1066 240349 480698 3124537 6249074 9854309 19708618 128106017 256212034