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255450043 is a prime number
BaseRepresentation
bin11110011100111…
…01101110111011
3122210200012120201
433032131232323
51010343400133
641203103031
76221201212
oct1716355673
9583605521
10255450043
11121216442
1271671a77
1340c00294
1425cd8079
151765dd7d
hexf39dbbb

255450043 has 2 divisors, whose sum is σ = 255450044. Its totient is φ = 255450042.

The previous prime is 255450037. The next prime is 255450071. The reversal of 255450043 is 340054552.

It is an a-pointer prime, because the next prime (255450071) can be obtained adding 255450043 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255450043 - 25 = 255450011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255449993 and 255450020.

It is not a weakly prime, because it can be changed into another prime (255450023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127725021 + 127725022.

It is an arithmetic number, because the mean of its divisors is an integer number (127725022).

Almost surely, 2255450043 is an apocalyptic number.

255450043 is a deficient number, since it is larger than the sum of its proper divisors (1).

255450043 is an equidigital number, since it uses as much as digits as its factorization.

255450043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 255450043 is about 15982.8046036983. The cubic root of 255450043 is about 634.5054060917.

The spelling of 255450043 in words is "two hundred fifty-five million, four hundred fifty thousand, forty-three".