Search a number
-
+
247108201 is a prime number
BaseRepresentation
bin11101011101010…
…01001001101001
3122012222101201121
432232221021221
51001224430301
640304215241
76060246034
oct1656511151
9565871647
10247108201
1111753905a
126a90a521
133c26c392
1424b6601b
1516a623a1
hexeba9269

247108201 has 2 divisors, whose sum is σ = 247108202. Its totient is φ = 247108200.

The previous prime is 247108177. The next prime is 247108231. The reversal of 247108201 is 102801742.

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., 196000000 + 51108201 = 14000^2 + 7149^2 .

It is a cyclic number.

It is not a de Polignac number, because 247108201 - 29 = 247107689 is a prime.

It is a super-2 number, since 2×2471082012 = 122124926002912802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247108231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123554100 + 123554101.

It is an arithmetic number, because the mean of its divisors is an integer number (123554101).

Almost surely, 2247108201 is an apocalyptic number.

It is an amenable number.

247108201 is a deficient number, since it is larger than the sum of its proper divisors (1).

247108201 is an equidigital number, since it uses as much as digits as its factorization.

247108201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 247108201 is about 15719.6756009785. The cubic root of 247108201 is about 627.5221399256.

Adding to 247108201 its reverse (102801742), we get a palindrome (349909943).

The spelling of 247108201 in words is "two hundred forty-seven million, one hundred eight thousand, two hundred one".