Search a number
-
+
256060741 = 351172931
BaseRepresentation
bin11110100001100…
…10110101000101
3122211211020022011
433100302311011
51011022420431
641224134221
76226323526
oct1720626505
9584736264
10256060741
111215a3252
1271907371
1341085241
142601684d
151772ecb1
hexf432d45

256060741 has 4 divisors (see below), whose sum is σ = 256137184. Its totient is φ = 255984300.

The previous prime is 256060723. The next prime is 256060751. The reversal of 256060741 is 147060652.

It is a happy number.

256060741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 256060741 - 227 = 121843013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256060751) 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, 32955 + ... + 39976.

It is an arithmetic number, because the mean of its divisors is an integer number (64034296).

Almost surely, 2256060741 is an apocalyptic number.

It is an amenable number.

256060741 is a deficient number, since it is larger than the sum of its proper divisors (76443).

256060741 is an equidigital number, since it uses as much as digits as its factorization.

256060741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76442.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 256060741 is about 16001.8980436697. The cubic root of 256060741 is about 635.0106357365.

The spelling of 256060741 in words is "two hundred fifty-six million, sixty thousand, seven hundred forty-one".

Divisors: 1 3511 72931 256060741