Base | Representation |
---|---|
bin | 1010001111010110… |
… | …1110100110110100 |
3 | 21002120022000120201 |
4 | 2203311232212310 |
5 | 21112141130430 |
6 | 1132431410244 |
7 | 125055110602 |
oct | 24365564664 |
9 | 7076260521 |
10 | 2748770740 |
11 | 1190678161 |
12 | 648683984 |
13 | 34a631481 |
14 | 1c10ca872 |
15 | 1114ba8ca |
hex | a3d6e9b4 |
2748770740 has 24 divisors (see below), whose sum is σ = 5814558792. Its totient is φ = 1091481600.
The previous prime is 2748770729. The next prime is 2748770741. The reversal of 2748770740 is 470778472.
It can be written as a sum of positive squares in 4 ways, for example, as 706815396 + 2041955344 = 26586^2 + 45188^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2748770741) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498861 + ... + 504340.
It is an arithmetic number, because the mean of its divisors is an integer number (242273283).
Almost surely, 22748770740 is an apocalyptic number.
2748770740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2748770740 is an abundant number, since it is smaller than the sum of its proper divisors (3065788052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2748770740 is a wasteful number, since it uses less digits than its factorization.
2748770740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1003347 (or 1003345 counting only the distinct ones).
The product of its (nonzero) digits is 614656, while the sum is 46.
The square root of 2748770740 is about 52428.7205642098. The cubic root of 2748770740 is about 1400.8108805871.
The spelling of 2748770740 in words is "two billion, seven hundred forty-eight million, seven hundred seventy thousand, seven hundred forty".
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