Search a number
-
+
256085588 = 221123253049
BaseRepresentation
bin11110100001110…
…00111001010100
3122211212111101102
433100320321110
51011024214323
641224445232
76226456133
oct1720707124
9584774342
10256085588
1112160a990
1271919818
1341093645
142602191a
1517737328
hexf438e54

256085588 has 24 divisors (see below), whose sum is σ = 510148800. Its totient is φ = 111341120.

The previous prime is 256085587. The next prime is 256085593. The reversal of 256085588 is 885580652.

256085588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256085587) 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, 125513 + ... + 127536.

It is an arithmetic number, because the mean of its divisors is an integer number (21256200).

Almost surely, 2256085588 is an apocalyptic number.

It is an amenable number.

256085588 is a deficient number, since it is larger than the sum of its proper divisors (254063212).

256085588 is a wasteful number, since it uses less digits than its factorization.

256085588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253087 (or 253085 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 47.

The square root of 256085588 is about 16002.6744014868. The cubic root of 256085588 is about 635.0311746118.

The spelling of 256085588 in words is "two hundred fifty-six million, eighty-five thousand, five hundred eighty-eight".

Divisors: 1 2 4 11 22 23 44 46 92 253 506 1012 253049 506098 1012196 2783539 5567078 5820127 11134156 11640254 23280508 64021397 128042794 256085588