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254317379 is a prime number
BaseRepresentation
bin11110010100010…
…01001101000011
3122201112122212012
433022021031003
51010101124004
641122523135
76205443041
oct1712111503
9581478765
10254317379
11120612458
12712064ab
13408c4874
1425ac1391
15174d846e
hexf289343

254317379 has 2 divisors, whose sum is σ = 254317380. Its totient is φ = 254317378.

The previous prime is 254317363. The next prime is 254317447. The reversal of 254317379 is 973713452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254317379 - 24 = 254317363 is a prime.

It is a super-2 number, since 2×2543173792 = 129354658522859282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254317079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127158689 + 127158690.

It is an arithmetic number, because the mean of its divisors is an integer number (127158690).

Almost surely, 2254317379 is an apocalyptic number.

254317379 is a deficient number, since it is larger than the sum of its proper divisors (1).

254317379 is an equidigital number, since it uses as much as digits as its factorization.

254317379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 254317379 is about 15947.3314068530. The cubic root of 254317379 is about 633.5662188479.

The spelling of 254317379 in words is "two hundred fifty-four million, three hundred seventeen thousand, three hundred seventy-nine".