Search a number
-
+
254006057 is a prime number
BaseRepresentation
bin11110010001111…
…01001100101001
3122200221211210202
433020331030221
51010011143212
641112121545
76203005304
oct1710751451
9580854722
10254006057
1112041a568
12710962b5
1340815c56
1425a3db3b
15174760c2
hexf23d329

254006057 has 2 divisors, whose sum is σ = 254006058. Its totient is φ = 254006056.

The previous prime is 254006021. The next prime is 254006059. The reversal of 254006057 is 750600452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228493456 + 25512601 = 15116^2 + 5051^2 .

It is a cyclic number.

It is not a de Polignac number, because 254006057 - 212 = 254001961 is a prime.

Together with 254006059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254006059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127003028 + 127003029.

It is an arithmetic number, because the mean of its divisors is an integer number (127003029).

Almost surely, 2254006057 is an apocalyptic number.

It is an amenable number.

254006057 is a deficient number, since it is larger than the sum of its proper divisors (1).

254006057 is an equidigital number, since it uses as much as digits as its factorization.

254006057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 254006057 is about 15937.5674743670. The cubic root of 254006057 is about 633.3075871036.

The spelling of 254006057 in words is "two hundred fifty-four million, six thousand, fifty-seven".