[go: up one dir, main page]

Search a number
-
+
255056031 = 3228339559
BaseRepresentation
bin11110011001111…
…01100010011111
3122202221012002200
433030331202133
51010243243111
641150422543
76214640406
oct1714754237
9582835080
10255056031
11120a7740a
1271501a53
1340ac2b39
1425c3463d
15175d2256
hexf33d89f

255056031 has 6 divisors (see below), whose sum is σ = 368414280. Its totient is φ = 170037348.

The previous prime is 255056017. The next prime is 255056041. The reversal of 255056031 is 130650552.

255056031 is a `hidden beast` number, since 2 + 5 + 50 + 5 + 603 + 1 = 666.

It is not a de Polignac number, because 255056031 - 29 = 255055519 is a prime.

It is a super-3 number, since 3×2550560313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 255055986 and 255056004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255056041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14169771 + ... + 14169788.

It is an arithmetic number, because the mean of its divisors is an integer number (61402380).

Almost surely, 2255056031 is an apocalyptic number.

255056031 is a deficient number, since it is larger than the sum of its proper divisors (113358249).

255056031 is a wasteful number, since it uses less digits than its factorization.

255056031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28339565 (or 28339562 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 255056031 is about 15970.4737249713. The cubic root of 255056031 is about 634.1790129960.

The spelling of 255056031 in words is "two hundred fifty-five million, fifty-six thousand, thirty-one".

Divisors: 1 3 9 28339559 85018677 255056031