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2444513690 = 25244451369
BaseRepresentation
bin1001000110110100…
…0101000110011010
320022100210011101002
42101231011012122
520001243414230
61042322225002
7114402011033
oct22155050632
96270704332
102444513690
111044956353
125827b5162
132cc5a2b08
14192929a8a
15e491a545
hex91b4519a

2444513690 has 8 divisors (see below), whose sum is σ = 4400124660. Its totient is φ = 977805472.

The previous prime is 2444513681. The next prime is 2444513699. The reversal of 2444513690 is 963154442.

It is an interprime number because it is at equal distance from previous prime (2444513681) and next prime (2444513699).

It can be written as a sum of positive squares in 2 ways, for example, as 2380561681 + 63952009 = 48791^2 + 7997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×24445136902 = 11951294361194832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2444513699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122225675 + ... + 122225694.

Almost surely, 22444513690 is an apocalyptic number.

2444513690 is a deficient number, since it is larger than the sum of its proper divisors (1955610970).

2444513690 is a wasteful number, since it uses less digits than its factorization.

2444513690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244451376.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2444513690 is about 49442.0235225056. The cubic root of 2444513690 is about 1347.0927266590.

The spelling of 2444513690 in words is "two billion, four hundred forty-four million, five hundred thirteen thousand, six hundred ninety".

Divisors: 1 2 5 10 244451369 488902738 1222256845 2444513690