Search a number
-
+
248012257 is a prime number
BaseRepresentation
bin11101100100001…
…01110111100001
3122021200022212011
432302011313201
51001442343012
640335432521
76101032543
oct1662056741
9567608764
10248012257
11117aa6309
126b085741
133c4c7a1c
1424d1d693
1516b901a7
hexec85de1

248012257 has 2 divisors, whose sum is σ = 248012258. Its totient is φ = 248012256.

The previous prime is 248012251. The next prime is 248012291. The reversal of 248012257 is 752210842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236206161 + 11806096 = 15369^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 248012257 - 23 = 248012249 is a prime.

It is not a weakly prime, because it can be changed into another prime (248012251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124006128 + 124006129.

It is an arithmetic number, because the mean of its divisors is an integer number (124006129).

Almost surely, 2248012257 is an apocalyptic number.

It is an amenable number.

248012257 is a deficient number, since it is larger than the sum of its proper divisors (1).

248012257 is an equidigital number, since it uses as much as digits as its factorization.

248012257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 248012257 is about 15748.4049033545. The cubic root of 248012257 is about 628.2864808192.

The spelling of 248012257 in words is "two hundred forty-eight million, twelve thousand, two hundred fifty-seven".