Search a number
-
+
2144520744 = 233412179391
BaseRepresentation
bin111111111010010…
…1100101000101000
312112110021221102020
41333310230220220
513342444130434
6552444304440
7104100061032
oct17764545050
95473257366
102144520744
11a005871a3
124ba242120
132823a82b2
14164b58c52
15c840d849
hex7fd2ca28

2144520744 has 32 divisors (see below), whose sum is σ = 5492067840. Its totient is φ = 697404800.

The previous prime is 2144520737. The next prime is 2144520751. The reversal of 2144520744 is 4470254412.

It is an interprime number because it is at equal distance from previous prime (2144520737) and next prime (2144520751).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1088712 + ... + 1090679.

It is an arithmetic number, because the mean of its divisors is an integer number (171627120).

Almost surely, 22144520744 is an apocalyptic number.

2144520744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2144520744 is an abundant number, since it is smaller than the sum of its proper divisors (3347547096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144520744 is a wasteful number, since it uses less digits than its factorization.

2144520744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179441 (or 2179437 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 33.

The square root of 2144520744 is about 46308.9704484995. The cubic root of 2144520744 is about 1289.5655336372.

The spelling of 2144520744 in words is "two billion, one hundred forty-four million, five hundred twenty thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 2179391 4358782 6538173 8717564 13076346 17435128 26152692 52305384 89355031 178710062 268065093 357420124 536130186 714840248 1072260372 2144520744