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255504241 is a prime number
BaseRepresentation
bin11110011101010…
…10111101110001
3122210202221221001
433032222331301
51010402113431
641204202001
76221515216
oct1716527561
9583687831
10255504241
11121253133
1271699301
1340c1bb55
1425d0db0d
151766ee61
hexf3aaf71

255504241 has 2 divisors, whose sum is σ = 255504242. Its totient is φ = 255504240.

The previous prime is 255504233. The next prime is 255504253. The reversal of 255504241 is 142405552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227889216 + 27615025 = 15096^2 + 5255^2 .

It is a cyclic number.

It is not a de Polignac number, because 255504241 - 23 = 255504233 is a prime.

It is a Chen prime.

It is the 15985-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (255504211) by changing a digit.

It is a nontrivial repunit in base 15984.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127752120 + 127752121.

It is an arithmetic number, because the mean of its divisors is an integer number (127752121).

Almost surely, 2255504241 is an apocalyptic number.

It is an amenable number.

255504241 is a deficient number, since it is larger than the sum of its proper divisors (1).

255504241 is an equidigital number, since it uses as much as digits as its factorization.

255504241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 255504241 is about 15984.5000234602. The cubic root of 255504241 is about 634.5502765639.

Adding to 255504241 its reverse (142405552), we get a palindrome (397909793).

It can be divided in two parts, 25550 and 4241, that added together give a cube (29791 = 313).

The spelling of 255504241 in words is "two hundred fifty-five million, five hundred four thousand, two hundred forty-one".