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2744894473 = 311014391997
BaseRepresentation
bin1010001110011011…
…1100010000001001
321002022000002100021
42203212330100021
521110143110343
61132212340441
7125010134536
oct24346742011
97068002307
102744894473
11118946a932
12647314721
133498a5019
141c079bd8d
15110ea20ed
hexa39bc409

2744894473 has 16 divisors (see below), whose sum is σ = 2869447680. Its totient is φ = 2622744000.

The previous prime is 2744894431. The next prime is 2744894491. The reversal of 2744894473 is 3744984472.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2744894473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2744894473.

It is not an unprimeable number, because it can be changed into a prime (2744891473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373511 + ... + 1375507.

It is an arithmetic number, because the mean of its divisors is an integer number (179340480).

Almost surely, 22744894473 is an apocalyptic number.

It is an amenable number.

2744894473 is a deficient number, since it is larger than the sum of its proper divisors (124553207).

2744894473 is a wasteful number, since it uses less digits than its factorization.

2744894473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its digits is 5419008, while the sum is 52.

The square root of 2744894473 is about 52391.7405036328. The cubic root of 2744894473 is about 1400.1521047323.

The spelling of 2744894473 in words is "two billion, seven hundred forty-four million, eight hundred ninety-four thousand, four hundred seventy-three".

Divisors: 1 31 101 439 1997 3131 13609 44339 61907 201697 876683 1374509 6252607 27177173 88544983 2744894473