Base | Representation |
---|---|
bin | 1111101111010111… |
… | …11111110000010100 |
3 | 210210221001111122202 |
4 | 13313223333300110 |
5 | 114301310113410 |
6 | 3514310544032 |
7 | 416260556315 |
oct | 76753776024 |
9 | 23727044582 |
10 | 8450472980 |
11 | 3647087474 |
12 | 177a068018 |
13 | a48977191 |
14 | 5a244a60c |
15 | 346d2dca5 |
hex | 1f7affc14 |
8450472980 has 24 divisors (see below), whose sum is σ = 18357925320. Its totient is φ = 3263630720.
The previous prime is 8450472971. The next prime is 8450473007. The reversal of 8450472980 is 892740548.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 86638864 + 8363834116 = 9308^2 + 91454^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7284311 + ... + 7285470.
It is an arithmetic number, because the mean of its divisors is an integer number (764913555).
Almost surely, 28450472980 is an apocalyptic number.
It is an amenable number.
8450472980 is an abundant number, since it is smaller than the sum of its proper divisors (9907452340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8450472980 is a wasteful number, since it uses less digits than its factorization.
8450472980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14569819 (or 14569817 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 47.
The square root of 8450472980 is about 91926.4541902928. The cubic root of 8450472980 is about 2036.8560584664.
The spelling of 8450472980 in words is "eight billion, four hundred fifty million, four hundred seventy-two thousand, nine hundred eighty".
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