Base | Representation |
---|---|
bin | 1111000011110111… |
… | …1000001000011101 |
3 | 101102202011002220121 |
4 | 3300331320020131 |
5 | 31234421040131 |
6 | 1505054114541 |
7 | 202116554362 |
oct | 36075701035 |
9 | 11382132817 |
10 | 4042752541 |
11 | 1795034903 |
12 | 949aaba51 |
13 | 4c5740089 |
14 | 2a4cc2469 |
15 | 189dbc911 |
hex | f0f7821d |
4042752541 has 4 divisors (see below), whose sum is σ = 4280561532. Its totient is φ = 3804943552.
The previous prime is 4042752499. The next prime is 4042752577. The reversal of 4042752541 is 1452572404.
4042752541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3765663225 + 277089316 = 61365^2 + 16646^2 .
It is a cyclic number.
It is not a de Polignac number, because 4042752541 - 29 = 4042752029 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4042752497 and 4042752506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4042758541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118904470 + ... + 118904503.
It is an arithmetic number, because the mean of its divisors is an integer number (1070140383).
Almost surely, 24042752541 is an apocalyptic number.
It is an amenable number.
4042752541 is a deficient number, since it is larger than the sum of its proper divisors (237808991).
4042752541 is a wasteful number, since it uses less digits than its factorization.
4042752541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237808990.
The product of its (nonzero) digits is 44800, while the sum is 34.
The square root of 4042752541 is about 63582.6433942471. The cubic root of 4042752541 is about 1593.0364743958.
The spelling of 4042752541 in words is "four billion, forty-two million, seven hundred fifty-two thousand, five hundred forty-one".
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