Base | Representation |
---|---|
bin | 1010001111010110… |
… | …1010011000001100 |
3 | 21002120021010211020 |
4 | 2203311222120030 |
5 | 21112140102140 |
6 | 1132431154140 |
7 | 125055006240 |
oct | 24365523014 |
9 | 7076233736 |
10 | 2748753420 |
11 | 1190666146 |
12 | 648675950 |
13 | 34a62661a |
14 | 1c10c4420 |
15 | 1114b56d0 |
hex | a3d6a60c |
2748753420 has 48 divisors (see below), whose sum is σ = 8796012288. Its totient is φ = 628286400.
The previous prime is 2748753407. The next prime is 2748753431. The reversal of 2748753420 is 243578472.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271906 + ... + 3272745.
It is an arithmetic number, because the mean of its divisors is an integer number (183250256).
Almost surely, 22748753420 is an apocalyptic number.
2748753420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2748753420 is an abundant number, since it is smaller than the sum of its proper divisors (6047258868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2748753420 is a wasteful number, since it uses less digits than its factorization.
2748753420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6544670 (or 6544668 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 42.
The square root of 2748753420 is about 52428.5553873078. Note that the first 3 decimals coincide. The cubic root of 2748753420 is about 1400.8079384119.
The spelling of 2748753420 in words is "two billion, seven hundred forty-eight million, seven hundred fifty-three thousand, four hundred twenty".
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