Base | Representation |
---|---|
bin | 1010001110001010… |
… | …0011000101000110 |
3 | 21002012211120112100 |
4 | 2203202203011012 |
5 | 21104344232130 |
6 | 1132131532530 |
7 | 124664300055 |
oct | 24342430506 |
9 | 7065746470 |
10 | 2743742790 |
11 | 1188853628 |
12 | 646a5a146 |
13 | 349590a59 |
14 | 1c057c39c |
15 | 110d25c60 |
hex | a38a3146 |
2743742790 has 96 divisors (see below), whose sum is σ = 7277096736. Its totient is φ = 717050880.
The previous prime is 2743742777. The next prime is 2743742797. The reversal of 2743742790 is 972473472.
2743742790 is a `hidden beast` number, since 2 + 7 + 4 + 374 + 279 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2743742797) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1849389 + ... + 1850871.
It is an arithmetic number, because the mean of its divisors is an integer number (75803091).
Almost surely, 22743742790 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2743742790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3638548368).
2743742790 is an abundant number, since it is smaller than the sum of its proper divisors (4533353946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2743742790 is a wasteful number, since it uses less digits than its factorization.
2743742790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1894 (or 1891 counting only the distinct ones).
The product of its (nonzero) digits is 592704, while the sum is 45.
The square root of 2743742790 is about 52380.7482764422. The cubic root of 2743742790 is about 1399.9562554359.
The spelling of 2743742790 in words is "two billion, seven hundred forty-three million, seven hundred forty-two thousand, seven hundred ninety".
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