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253642283 is a prime number
BaseRepresentation
bin11110001111001…
…00011000101011
3122200021100210122
433013210120223
51004413023113
641100233455
76166631606
oct1707443053
9580240718
10253642283
111201a1224
1270b3b88b
13407194bb
142598733d
1517403408
hexf1e462b

253642283 has 2 divisors, whose sum is σ = 253642284. Its totient is φ = 253642282.

The previous prime is 253642247. The next prime is 253642351. The reversal of 253642283 is 382246352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253642283 - 28 = 253642027 is a prime.

It is not a weakly prime, because it can be changed into another prime (253642483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126821141 + 126821142.

It is an arithmetic number, because the mean of its divisors is an integer number (126821142).

Almost surely, 2253642283 is an apocalyptic number.

253642283 is a deficient number, since it is larger than the sum of its proper divisors (1).

253642283 is an equidigital number, since it uses as much as digits as its factorization.

253642283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 35.

The square root of 253642283 is about 15926.1509160249. The cubic root of 253642283 is about 633.0051128185.

The spelling of 253642283 in words is "two hundred fifty-three million, six hundred forty-two thousand, two hundred eighty-three".