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241408261 is a prime number
BaseRepresentation
bin11100110001110…
…01100100000101
3121211020210212201
432120321210011
5443300031021
635542114501
75660636113
oct1630714405
9554223781
10241408261
111142a5666
1268a1ba31
133b024b33
14240c0ab3
15162d8591
hexe639905

241408261 has 2 divisors, whose sum is σ = 241408262. Its totient is φ = 241408260.

The previous prime is 241408249. The next prime is 241408273. The reversal of 241408261 is 162804142.

It is a balanced prime because it is at equal distance from previous prime (241408249) and next prime (241408273).

It can be written as a sum of positive squares in only one way, i.e., 231983361 + 9424900 = 15231^2 + 3070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-241408261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241408201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120704130 + 120704131.

It is an arithmetic number, because the mean of its divisors is an integer number (120704131).

Almost surely, 2241408261 is an apocalyptic number.

241408261 is the 6949-th centered decagonal number.

It is an amenable number.

241408261 is a deficient number, since it is larger than the sum of its proper divisors (1).

241408261 is an equidigital number, since it uses as much as digits as its factorization.

241408261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 241408261 is about 15537.3183336121. The cubic root of 241408261 is about 622.6596299275.

The spelling of 241408261 in words is "two hundred forty-one million, four hundred eight thousand, two hundred sixty-one".