Base | Representation |
---|---|
bin | 1110101011011010101 |
3 | 220102210010 |
4 | 1311123111 |
5 | 110342411 |
6 | 14150433 |
7 | 4042164 |
oct | 1653325 |
9 | 812703 |
10 | 480981 |
11 | 2a9406 |
12 | 1b2419 |
13 | 13ac07 |
14 | c73db |
15 | 977a6 |
hex | 756d5 |
480981 has 8 divisors (see below), whose sum is σ = 679104. Its totient is φ = 301760.
The previous prime is 480979. The next prime is 480989. The reversal of 480981 is 189084.
It is a happy number.
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 480981 - 21 = 480979 is a prime.
It is a super-3 number, since 3×4809813 = 333814361831748423, which contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an Ulam number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 480981.
It is not an unprimeable number, because it can be changed into a prime (480989) 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, 4665 + ... + 4766.
It is an arithmetic number, because the mean of its divisors is an integer number (84888).
2480981 is an apocalyptic number.
It is an amenable number.
480981 is a deficient number, since it is larger than the sum of its proper divisors (198123).
480981 is a wasteful number, since it uses less digits than its factorization.
480981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9451.
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 480981 is about 693.5279374329. The cubic root of 480981 is about 78.3506565983.
The spelling of 480981 in words is "four hundred eighty thousand, nine hundred eighty-one".
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