Search a number
-
+
256024 = 2332003
BaseRepresentation
bin111110100000011000
3111000012101
4332200120
531143044
65253144
72114266
oct764030
9430171
10256024
1116539a
121041b4
138c6c2
1469436
1550cd4
hex3e818

256024 has 8 divisors (see below), whose sum is σ = 480060. Its totient is φ = 128008.

The previous prime is 256021. The next prime is 256031. The reversal of 256024 is 420652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 255992 and 256010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15994 + ... + 16009.

2256024 is an apocalyptic number.

It is an amenable number.

256024 is a deficient number, since it is larger than the sum of its proper divisors (224036).

256024 is a wasteful number, since it uses less digits than its factorization.

256024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32009 (or 32005 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 256024 is about 505.9881421535. The cubic root of 256024 is about 63.4980262680.

Adding to 256024 its reverse (420652), we get a palindrome (676676).

The spelling of 256024 in words is "two hundred fifty-six thousand, twenty-four".

Divisors: 1 2 4 8 32003 64006 128012 256024