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2440280497 is a prime number
BaseRepresentation
bin1001000101110011…
…1011100110110001
320022001211002112011
42101130323212301
514444202433442
61042051402521
7114321020254
oct22134734661
96261732464
102440280497
111042524946
125812b3441
132cb750075
1419214709b
15e4381117
hex9173b9b1

2440280497 has 2 divisors, whose sum is σ = 2440280498. Its totient is φ = 2440280496.

The previous prime is 2440280477. The next prime is 2440280501. The reversal of 2440280497 is 7940820442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2201392561 + 238887936 = 46919^2 + 15456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2440280497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2440280477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220140248 + 1220140249.

It is an arithmetic number, because the mean of its divisors is an integer number (1220140249).

Almost surely, 22440280497 is an apocalyptic number.

It is an amenable number.

2440280497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440280497 is an equidigital number, since it uses as much as digits as its factorization.

2440280497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 2440280497 is about 49399.1953072112. The cubic root of 2440280497 is about 1346.3146852852.

The spelling of 2440280497 in words is "two billion, four hundred forty million, two hundred eighty thousand, four hundred ninety-seven".