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248629841 is a prime number
BaseRepresentation
bin11101101000111…
…00101001010001
3122022211201000122
432310130221101
51002122123331
640401000025
76106214225
oct1664345121
9568751018
10248629841
11118388309
126b323015
133c682b65
1425040785
1516c6317b
hexed1ca51

248629841 has 2 divisors, whose sum is σ = 248629842. Its totient is φ = 248629840.

The previous prime is 248629813. The next prime is 248629861. The reversal of 248629841 is 148926842.

248629841 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., 240901441 + 7728400 = 15521^2 + 2780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248629841 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 248629792 and 248629801.

It is not a weakly prime, because it can be changed into another prime (248629861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124314920 + 124314921.

It is an arithmetic number, because the mean of its divisors is an integer number (124314921).

Almost surely, 2248629841 is an apocalyptic number.

It is an amenable number.

248629841 is a deficient number, since it is larger than the sum of its proper divisors (1).

248629841 is an equidigital number, since it uses as much as digits as its factorization.

248629841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 248629841 is about 15768.0005390665. Note that the first 3 decimals coincide. The cubic root of 248629841 is about 628.8075545942.

The spelling of 248629841 in words is "two hundred forty-eight million, six hundred twenty-nine thousand, eight hundred forty-one".