Base | Representation |
---|---|
bin | 1111010110010110… |
… | …01000001101001001 |
3 | 210021022000022101001 |
4 | 13223023020031021 |
5 | 113334033431444 |
6 | 3441411055001 |
7 | 411131231350 |
oct | 75313101511 |
9 | 23238008331 |
10 | 8240530249 |
11 | 3549623386 |
12 | 171b8a1461 |
13 | a1431b403 |
14 | 5825da997 |
15 | 3336ad8d4 |
hex | 1eb2c8349 |
8240530249 has 8 divisors (see below), whose sum is σ = 9418342400. Its totient is φ = 7062866496.
The previous prime is 8240530237. The next prime is 8240530253. The reversal of 8240530249 is 9420350428.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8240530249 - 25 = 8240530217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8240530219) 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, 135352 + ... + 186550.
It is an arithmetic number, because the mean of its divisors is an integer number (1177292800).
Almost surely, 28240530249 is an apocalyptic number.
It is an amenable number.
8240530249 is a deficient number, since it is larger than the sum of its proper divisors (1177812151).
8240530249 is a wasteful number, since it uses less digits than its factorization.
8240530249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74199.
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 8240530249 is about 90777.3663916287. The cubic root of 8240530249 is about 2019.8465923593.
The spelling of 8240530249 in words is "eight billion, two hundred forty million, five hundred thirty thousand, two hundred forty-nine".
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