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240974897 is a prime number
BaseRepresentation
bin11100101110011…
…11110000110001
3121210102210102012
432113033300301
5443142144042
635524532305
75654152502
oct1627176061
9553383365
10240974897
1111402a009
1268851095
133ac027c7
142400aba9
151624ee82
hexe5cfc31

240974897 has 2 divisors, whose sum is σ = 240974898. Its totient is φ = 240974896.

The previous prime is 240974879. The next prime is 240974963. The reversal of 240974897 is 798479042.

Together with previous prime (240974879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167547136 + 73427761 = 12944^2 + 8569^2 .

It is a cyclic number.

It is not a de Polignac number, because 240974897 - 224 = 224197681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240974837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120487448 + 120487449.

It is an arithmetic number, because the mean of its divisors is an integer number (120487449).

Almost surely, 2240974897 is an apocalyptic number.

It is an amenable number.

240974897 is a deficient number, since it is larger than the sum of its proper divisors (1).

240974897 is an equidigital number, since it uses as much as digits as its factorization.

240974897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 240974897 is about 15523.3661620152. The cubic root of 240974897 is about 622.2868176431.

The spelling of 240974897 in words is "two hundred forty million, nine hundred seventy-four thousand, eight hundred ninety-seven".