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240430249 is a prime number
BaseRepresentation
bin11100101010010…
…10110010101001
3121202102010022001
432111022302221
5443022231444
635505131001
75646423553
oct1625126251
9552363261
10240430249
11113797894
1268629a61
133aa71927
1423d084d3
15161938d4
hexe54aca9

240430249 has 2 divisors, whose sum is σ = 240430250. Its totient is φ = 240430248.

The previous prime is 240430217. The next prime is 240430261. The reversal of 240430249 is 942034042.

240430249 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., 232410025 + 8020224 = 15245^2 + 2832^2 .

It is a cyclic number.

It is not a de Polignac number, because 240430249 - 25 = 240430217 is a prime.

It is not a weakly prime, because it can be changed into another prime (240430279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120215124 + 120215125.

It is an arithmetic number, because the mean of its divisors is an integer number (120215125).

Almost surely, 2240430249 is an apocalyptic number.

It is an amenable number.

240430249 is a deficient number, since it is larger than the sum of its proper divisors (1).

240430249 is an equidigital number, since it uses as much as digits as its factorization.

240430249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 240430249 is about 15505.8133936921. The cubic root of 240430249 is about 621.8176360780.

The spelling of 240430249 in words is "two hundred forty million, four hundred thirty thousand, two hundred forty-nine".