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248253143 is a prime number
BaseRepresentation
bin11101100110000…
…00101011010111
3122022010120021212
432303000223113
51002023100033
640344532035
76103055045
oct1663005327
9568116255
10248253143
11118150296
126b18101b
133c580568
1424d83395
1516bdb748
hexecc0ad7

248253143 has 2 divisors, whose sum is σ = 248253144. Its totient is φ = 248253142.

The previous prime is 248253139. The next prime is 248253149. The reversal of 248253143 is 341352842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248253143 - 22 = 248253139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248253149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124126571 + 124126572.

It is an arithmetic number, because the mean of its divisors is an integer number (124126572).

Almost surely, 2248253143 is an apocalyptic number.

248253143 is a deficient number, since it is larger than the sum of its proper divisors (1).

248253143 is an equidigital number, since it uses as much as digits as its factorization.

248253143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

The square root of 248253143 is about 15756.0509963633. The cubic root of 248253143 is about 628.4898262057.

The spelling of 248253143 in words is "two hundred forty-eight million, two hundred fifty-three thousand, one hundred forty-three".