Base | Representation |
---|---|
bin | 11100101110101… |
… | …001001000100000 |
3 | 1020120221120211002 |
4 | 130232221020200 |
5 | 1441342123102 |
6 | 115454411132 |
7 | 14641561121 |
oct | 3456511040 |
9 | 1216846732 |
10 | 481989152 |
11 | 228085647 |
12 | 115500aa8 |
13 | 78b1a1a8 |
14 | 48028048 |
15 | 2c4ab902 |
hex | 1cba9220 |
481989152 has 18 divisors (see below), whose sum is σ = 949160709. Its totient is φ = 240932480.
The previous prime is 481989139. The next prime is 481989181. The reversal of 481989152 is 251989184.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 473671696 + 8317456 = 21764^2 + 2884^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=15524.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 481989097 and 481989106.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 122252 + ... + 126132.
Almost surely, 2481989152 is an apocalyptic number.
It is an amenable number.
481989152 is a deficient number, since it is larger than the sum of its proper divisors (467171557).
481989152 is an frugal number, since it uses more digits than its factorization.
481989152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7772 (or 3883 counting only the distinct ones).
The product of its digits is 207360, while the sum is 47.
The square root of 481989152 is about 21954.2513422799. The cubic root of 481989152 is about 784.0536024714.
The spelling of 481989152 in words is "four hundred eighty-one million, nine hundred eighty-nine thousand, one hundred fifty-two".
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