Base | Representation |
---|---|
bin | 1010001111010111… |
… | …0001110011010100 |
3 | 21002120022200112110 |
4 | 2203311301303110 |
5 | 21112142040303 |
6 | 1132431551020 |
7 | 125055164010 |
oct | 24365616324 |
9 | 7076280473 |
10 | 2748783828 |
11 | 1190686a7a |
12 | 64868b470 |
13 | 34a63740b |
14 | 1c10d1540 |
15 | 1114be703 |
hex | a3d71cd4 |
2748783828 has 96 divisors (see below), whose sum is σ = 7604674560. Its totient is φ = 756437760.
The previous prime is 2748783799. The next prime is 2748783833. The reversal of 2748783828 is 8283878472.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 267025 + ... + 277127.
It is an arithmetic number, because the mean of its divisors is an integer number (79215360).
Almost surely, 22748783828 is an apocalyptic number.
2748783828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2748783828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3802337280).
2748783828 is an abundant number, since it is smaller than the sum of its proper divisors (4855890732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2748783828 is a wasteful number, since it uses less digits than its factorization.
2748783828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10237 (or 10235 counting only the distinct ones).
The product of its digits is 9633792, while the sum is 57.
The square root of 2748783828 is about 52428.8453811449. The cubic root of 2748783828 is about 1400.8131038577.
The spelling of 2748783828 in words is "two billion, seven hundred forty-eight million, seven hundred eighty-three thousand, eight hundred twenty-eight".
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