Base | Representation |
---|---|
bin | 1111110001111110… |
… | …00000011111011001 |
3 | 210212110000002002102 |
4 | 13320333000133121 |
5 | 114322342441240 |
6 | 3520405213145 |
7 | 416643541340 |
oct | 77077003731 |
9 | 23773002072 |
10 | 8472233945 |
11 | 365839a83a |
12 | 17854011b5 |
13 | a50325ca6 |
14 | 5a52b2b57 |
15 | 348bcb815 |
hex | 1f8fc07d9 |
8472233945 has 8 divisors (see below), whose sum is σ = 11619063744. Its totient is φ = 5809531824.
The previous prime is 8472233929. The next prime is 8472233947. The reversal of 8472233945 is 5493322748.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8472233945 - 24 = 8472233929 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 8472233945.
It is not an unprimeable number, because it can be changed into a prime (8472233947) 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, 121031879 + ... + 121031948.
It is an arithmetic number, because the mean of its divisors is an integer number (1452382968).
Almost surely, 28472233945 is an apocalyptic number.
It is an amenable number.
8472233945 is a deficient number, since it is larger than the sum of its proper divisors (3146829799).
8472233945 is a wasteful number, since it uses less digits than its factorization.
8472233945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242063839.
The product of its digits is 1451520, while the sum is 47.
The square root of 8472233945 is about 92044.7388230311. The cubic root of 8472233945 is about 2038.6029414070.
The spelling of 8472233945 in words is "eight billion, four hundred seventy-two million, two hundred thirty-three thousand, nine hundred forty-five".
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