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2144343433 = 17294349581
BaseRepresentation
bin111111111010000…
…0001010110001001
312112102221221012011
41333310001112021
513342422442213
6552440415521
7104065422061
oct17764012611
95472857164
102144343433
11a00475a61
124ba1775a1
1328234568b
14164b103a1
15c83c603d
hex7fd01589

2144343433 has 8 divisors (see below), whose sum is σ = 2348774280. Its totient is φ = 1948611840.

The previous prime is 2144343389. The next prime is 2144343497. The reversal of 2144343433 is 3343434412.

It can be written as a sum of positive squares in 4 ways, for example, as 1121111289 + 1023232144 = 33483^2 + 31988^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2144343433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144343395 and 2144343404.

It is not an unprimeable number, because it can be changed into a prime (2144343233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174298 + ... + 2175283.

It is an arithmetic number, because the mean of its divisors is an integer number (293596785).

Almost surely, 22144343433 is an apocalyptic number.

It is an amenable number.

2144343433 is a deficient number, since it is larger than the sum of its proper divisors (204430847).

2144343433 is a wasteful number, since it uses less digits than its factorization.

2144343433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349627.

The product of its digits is 41472, while the sum is 31.

The square root of 2144343433 is about 46307.0559742249. The cubic root of 2144343433 is about 1289.5299918256.

Adding to 2144343433 its reverse (3343434412), we get a palindrome (5487777845).

The spelling of 2144343433 in words is "two billion, one hundred forty-four million, three hundred forty-three thousand, four hundred thirty-three".

Divisors: 1 17 29 493 4349581 73942877 126137849 2144343433