Base | Representation |
---|---|
bin | 11101001001101… |
… | …011110110000100 |
3 | 1021002021202002111 |
4 | 131021223312010 |
5 | 2000201000043 |
6 | 120310350404 |
7 | 15056044546 |
oct | 3511536604 |
9 | 1232252074 |
10 | 489078148 |
11 | 231087719 |
12 | 11795b404 |
13 | 7a42ca70 |
14 | 48d51696 |
15 | 2ce0c09d |
hex | 1d26bd84 |
489078148 has 12 divisors (see below), whose sum is σ = 921724300. Its totient is φ = 225728352.
The previous prime is 489078137. The next prime is 489078157. The reversal of 489078148 is 841870984.
It can be written as a sum of positive squares in 2 ways, for example, as 253701184 + 235376964 = 15928^2 + 15342^2 .
It is a super-3 number, since 3×4890781483 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4702623 + ... + 4702726.
Almost surely, 2489078148 is an apocalyptic number.
It is an amenable number.
489078148 is a deficient number, since it is larger than the sum of its proper divisors (432646152).
489078148 is a wasteful number, since it uses less digits than its factorization.
489078148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9405366 (or 9405364 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 49.
The square root of 489078148 is about 22115.1113042643. Note that the first 3 decimals coincide. The cubic root of 489078148 is about 787.8788088679.
It can be divided in two parts, 4890 and 78148, that added together give a palindrome (83038).
The spelling of 489078148 in words is "four hundred eighty-nine million, seventy-eight thousand, one hundred forty-eight".
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