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254500457 is a prime number
BaseRepresentation
bin11110010101101…
…01111001101001
3122201212221222212
433022311321221
51010123003312
641130454505
76210134561
oct1712657151
9581787885
10254500457
11120727a62
1271294435
1340959cb3
1425b2bda1
1517522822
hexf2b5e69

254500457 has 2 divisors, whose sum is σ = 254500458. Its totient is φ = 254500456.

The previous prime is 254500427. The next prime is 254500481. The reversal of 254500457 is 754005452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148328041 + 106172416 = 12179^2 + 10304^2 .

It is a cyclic number.

It is not a de Polignac number, because 254500457 - 214 = 254484073 is a prime.

It is a super-2 number, since 2×2545004572 = 129540965226417698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254500417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127250228 + 127250229.

It is an arithmetic number, because the mean of its divisors is an integer number (127250229).

Almost surely, 2254500457 is an apocalyptic number.

It is an amenable number.

254500457 is a deficient number, since it is larger than the sum of its proper divisors (1).

254500457 is an equidigital number, since it uses as much as digits as its factorization.

254500457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 254500457 is about 15953.0704568118. The cubic root of 254500457 is about 633.7182129355.

The spelling of 254500457 in words is "two hundred fifty-four million, five hundred thousand, four hundred fifty-seven".