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256034048 = 281000133
BaseRepresentation
bin11110100001011…
…00010100000000
3122211202212200112
433100230110000
51011021042143
641223410452
76226152644
oct1720542400
9584685615
10256034048
11121585196
12718b3a28
134107604a
142600ac24
1517726e18
hexf42c500

256034048 has 18 divisors (see below), whose sum is σ = 511068474. Its totient is φ = 128016896.

The previous prime is 256034041. The next prime is 256034071. The reversal of 256034048 is 840430652.

It can be written as a sum of positive squares in only one way, i.e., 234947584 + 21086464 = 15328^2 + 4592^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256034041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499811 + ... + 500322.

It is an arithmetic number, because the mean of its divisors is an integer number (28392693).

Almost surely, 2256034048 is an apocalyptic number.

It is an amenable number.

256034048 is a deficient number, since it is larger than the sum of its proper divisors (255034426).

256034048 is an equidigital number, since it uses as much as digits as its factorization.

256034048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000149 (or 1000135 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 256034048 is about 16001.0639646244. The cubic root of 256034048 is about 634.9885694514.

The spelling of 256034048 in words is "two hundred fifty-six million, thirty-four thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 1000133 2000266 4000532 8001064 16002128 32004256 64008512 128017024 256034048