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255415049 is a prime number
BaseRepresentation
bin11110011100101…
…01001100001001
3122210121102120122
433032111030021
51010341240144
641202233025
76220664201
oct1716251411
9583542518
10255415049
111211a211a
1271655775
1340bba386
1425cc9401
15176537ee
hexf395309

255415049 has 2 divisors, whose sum is σ = 255415050. Its totient is φ = 255415048.

The previous prime is 255414949. The next prime is 255415063. The reversal of 255415049 is 940514552.

It is a happy number.

255415049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244359424 + 11055625 = 15632^2 + 3325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255415049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255415079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127707524 + 127707525.

It is an arithmetic number, because the mean of its divisors is an integer number (127707525).

Almost surely, 2255415049 is an apocalyptic number.

It is an amenable number.

255415049 is a deficient number, since it is larger than the sum of its proper divisors (1).

255415049 is an equidigital number, since it uses as much as digits as its factorization.

255415049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 255415049 is about 15981.7098271743. The cubic root of 255415049 is about 634.4764312206.

The spelling of 255415049 in words is "two hundred fifty-five million, four hundred fifteen thousand, forty-nine".