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248853961 is a prime number
BaseRepresentation
bin11101101010100…
…11010111001001
3122100021002110101
432311103113021
51002201311321
640405445401
76111136516
oct1665232711
9570232411
10248853961
11118520734
126b410861
133c730b85
142509c30d
1516ca9791
hexed535c9

248853961 has 2 divisors, whose sum is σ = 248853962. Its totient is φ = 248853960.

The previous prime is 248853937. The next prime is 248853967. The reversal of 248853961 is 169358842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131239936 + 117614025 = 11456^2 + 10845^2 .

It is a cyclic number.

It is not a de Polignac number, because 248853961 - 25 = 248853929 is a prime.

It is a super-3 number, since 3×2488539613 (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (248853967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124426980 + 124426981.

It is an arithmetic number, because the mean of its divisors is an integer number (124426981).

Almost surely, 2248853961 is an apocalyptic number.

It is an amenable number.

248853961 is a deficient number, since it is larger than the sum of its proper divisors (1).

248853961 is an equidigital number, since it uses as much as digits as its factorization.

248853961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The square root of 248853961 is about 15775.1057365711. The cubic root of 248853961 is about 628.9964378279.

The spelling of 248853961 in words is "two hundred forty-eight million, eight hundred fifty-three thousand, nine hundred sixty-one".