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254452493 is a prime number
BaseRepresentation
bin11110010101010…
…10001100001101
3122201210112012102
433022222030031
51010114434433
641125444445
76206545001
oct1712521415
9581715172
10254452493
111206a4a19
1271270725
1340941209
1425b18701
15175134e8
hexf2aa30d

254452493 has 2 divisors, whose sum is σ = 254452494. Its totient is φ = 254452492.

The previous prime is 254452463. The next prime is 254452507. The reversal of 254452493 is 394254452.

254452493 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., 240777289 + 13675204 = 15517^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 254452493 - 210 = 254451469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254452423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127226246 + 127226247.

It is an arithmetic number, because the mean of its divisors is an integer number (127226247).

Almost surely, 2254452493 is an apocalyptic number.

It is an amenable number.

254452493 is a deficient number, since it is larger than the sum of its proper divisors (1).

254452493 is an equidigital number, since it uses as much as digits as its factorization.

254452493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 38.

The square root of 254452493 is about 15951.5671016988. The cubic root of 254452493 is about 633.6783995557.

The spelling of 254452493 in words is "two hundred fifty-four million, four hundred fifty-two thousand, four hundred ninety-three".