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2440000169 is a prime number
BaseRepresentation
bin1001000101101111…
…0111001010101001
320022001021211222122
42101123313022221
514444120001134
61042041401025
7114315442055
oct22133671251
96261254878
102440000169
111042353272
12581199175
132cb6825a9
141920b2c65
15e432802e
hex916f72a9

2440000169 has 2 divisors, whose sum is σ = 2440000170. Its totient is φ = 2440000168.

The previous prime is 2440000151. The next prime is 2440000201. The reversal of 2440000169 is 9610000442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2089861225 + 350138944 = 45715^2 + 18712^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440000169 - 212 = 2439996073 is a prime.

It is a super-2 number, since 2×24400001692 = 11907201649440057122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2440000369) 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, 1220000084 + 1220000085.

It is an arithmetic number, because the mean of its divisors is an integer number (1220000085).

Almost surely, 22440000169 is an apocalyptic number.

It is an amenable number.

2440000169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440000169 is an equidigital number, since it uses as much as digits as its factorization.

2440000169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2440000169 is about 49396.3578515663. The cubic root of 2440000169 is about 1346.2631305348.

The spelling of 2440000169 in words is "two billion, four hundred forty million, one hundred sixty-nine", and thus it is an aban number.