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254902049 is a prime number
BaseRepresentation
bin11110011000101…
…11111100100001
3122202122100212122
433030113330201
51010223331144
641143234025
76213426443
oct1714277441
9582570778
10254902049
11120981756
1271448915
1340a6aa1c
1425bd4493
15175a17ee
hexf317f21

254902049 has 2 divisors, whose sum is σ = 254902050. Its totient is φ = 254902048.

The previous prime is 254902033. The next prime is 254902061. The reversal of 254902049 is 940209452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145323025 + 109579024 = 12055^2 + 10468^2 .

It is a cyclic number.

It is not a de Polignac number, because 254902049 - 24 = 254902033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254902019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127451024 + 127451025.

It is an arithmetic number, because the mean of its divisors is an integer number (127451025).

Almost surely, 2254902049 is an apocalyptic number.

It is an amenable number.

254902049 is a deficient number, since it is larger than the sum of its proper divisors (1).

254902049 is an equidigital number, since it uses as much as digits as its factorization.

254902049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 254902049 is about 15965.6521633161. The cubic root of 254902049 is about 634.0513654742.

The spelling of 254902049 in words is "two hundred fifty-four million, nine hundred two thousand, forty-nine".