Base | Representation |
---|---|
bin | 1010001111100100… |
… | …1100010110110100 |
3 | 21002122000011112000 |
4 | 2203321030112310 |
5 | 21112404212103 |
6 | 1132503055300 |
7 | 125065612635 |
oct | 24371142664 |
9 | 7078004460 |
10 | 2749679028 |
11 | 1191138608 |
12 | 648a41530 |
13 | 34a88ba15 |
14 | 1c128588c |
15 | 1115e9aa3 |
hex | a3e4c5b4 |
2749679028 has 96 divisors (see below), whose sum is σ = 7262774400. Its totient is φ = 899465472.
The previous prime is 2749678961. The next prime is 2749679033. The reversal of 2749679028 is 8209769472.
2749679028 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1804675 + ... + 1806197.
It is an arithmetic number, because the mean of its divisors is an integer number (75653900).
Almost surely, 22749679028 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2749679028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3631387200).
2749679028 is an abundant number, since it is smaller than the sum of its proper divisors (4513095372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2749679028 is a wasteful number, since it uses less digits than its factorization.
2749679028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1838 (or 1830 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 54.
The square root of 2749679028 is about 52437.3819712617. The cubic root of 2749679028 is about 1400.9651555604.
The spelling of 2749679028 in words is "two billion, seven hundred forty-nine million, six hundred seventy-nine thousand, twenty-eight".
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