Search a number
-
+
256546341 = 32195328307
BaseRepresentation
bin11110100101010…
…01011000100101
3122212201220102100
433102221120211
51011133440331
641242402313
76233415342
oct1722513045
9585656370
10256546341
111218a5077
1271b00399
13411c528c
14261017c9
15177c8ae6
hexf4a9625

256546341 has 24 divisors (see below), whose sum is σ = 397444320. Its totient is φ = 158966496.

The previous prime is 256546331. The next prime is 256546343. The reversal of 256546341 is 143645652.

256546341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 256546341 - 211 = 256544293 is a prime.

256546341 is a modest number, since divided by 46341 gives 2565 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 256546296 and 256546305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256546343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5091 + ... + 23216.

It is an arithmetic number, because the mean of its divisors is an integer number (16560180).

Almost surely, 2256546341 is an apocalyptic number.

It is an amenable number.

256546341 is a deficient number, since it is larger than the sum of its proper divisors (140897979).

256546341 is a wasteful number, since it uses less digits than its factorization.

256546341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28385 (or 28382 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 256546341 is about 16017.0640568114. The cubic root of 256546341 is about 635.4117989405.

The spelling of 256546341 in words is "two hundred fifty-six million, five hundred forty-six thousand, three hundred forty-one".

Divisors: 1 3 9 19 53 57 159 171 477 1007 3021 9063 28307 84921 254763 537833 1500271 1613499 4500813 4840497 13502439 28505149 85515447 256546341