Base | Representation |
---|---|
bin | 1010111100101001… |
… | …1001110101000111 |
3 | 21120210202110110200 |
4 | 2233022121311013 |
5 | 22004304140124 |
6 | 1203335221543 |
7 | 132552610134 |
oct | 25712316507 |
9 | 7523673420 |
10 | 2938740039 |
11 | 1278929984 |
12 | 6a02178b3 |
13 | 37aab5c41 |
14 | 1dc41b58b |
15 | 122ee2bc9 |
hex | af299d47 |
2938740039 has 24 divisors (see below), whose sum is σ = 4346971200. Its totient is φ = 1912584960.
The previous prime is 2938740031. The next prime is 2938740043. The reversal of 2938740039 is 9300478392.
It is a happy number.
It is not a de Polignac number, because 2938740039 - 23 = 2938740031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2938739976 and 2938740003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2938740031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40059 + ... + 86499.
It is an arithmetic number, because the mean of its divisors is an integer number (181123800).
Almost surely, 22938740039 is an apocalyptic number.
2938740039 is a deficient number, since it is larger than the sum of its proper divisors (1408231161).
2938740039 is a wasteful number, since it uses less digits than its factorization.
2938740039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46615 (or 46612 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 2938740039 is about 54210.1470114221. The cubic root of 2938740039 is about 1432.3650756029.
The spelling of 2938740039 in words is "two billion, nine hundred thirty-eight million, seven hundred forty thousand, thirty-nine".
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