Base | Representation |
---|---|
bin | 1101111000111001… |
… | …0011111101101101 |
3 | 100121211102221112101 |
4 | 3132032103331231 |
5 | 30113420344431 |
6 | 1413542135101 |
7 | 161250655024 |
oct | 33616237555 |
9 | 10554387471 |
10 | 3728293741 |
11 | 16435852a7 |
12 | 880721491 |
13 | 47554c093 |
14 | 2752278bb |
15 | 16c4a4961 |
hex | de393f6d |
3728293741 has 4 divisors (see below), whose sum is σ = 3779366332. Its totient is φ = 3677221152.
The previous prime is 3728293739. The next prime is 3728293747. The reversal of 3728293741 is 1473928273.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1473928273 = 15823 ⋅93151.
It can be written as a sum of positive squares in 2 ways, for example, as 1350268516 + 2378025225 = 36746^2 + 48765^2 .
It is a cyclic number.
It is not a de Polignac number, because 3728293741 - 21 = 3728293739 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3728293691 and 3728293700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3728293747) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25536186 + ... + 25536331.
It is an arithmetic number, because the mean of its divisors is an integer number (944841583).
Almost surely, 23728293741 is an apocalyptic number.
It is an amenable number.
3728293741 is a deficient number, since it is larger than the sum of its proper divisors (51072591).
3728293741 is an equidigital number, since it uses as much as digits as its factorization.
3728293741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51072590.
The product of its digits is 508032, while the sum is 46.
The square root of 3728293741 is about 61059.7554941059. The cubic root of 3728293741 is about 1550.6128330760.
The spelling of 3728293741 in words is "three billion, seven hundred twenty-eight million, two hundred ninety-three thousand, seven hundred forty-one".
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