Base | Representation |
---|---|
bin | 11100101100011… |
… | …101110100110001 |
3 | 1020112212121002111 |
4 | 130230131310301 |
5 | 1441220343140 |
6 | 115434245321 |
7 | 14633663416 |
oct | 3454356461 |
9 | 1215777074 |
10 | 481418545 |
11 | 227825973 |
12 | 115286841 |
13 | 7897a55a |
14 | 47d1a10d |
15 | 2c3e77ea |
hex | 1cb1dd31 |
481418545 has 8 divisors (see below), whose sum is σ = 579145320. Its totient is φ = 384172800.
The previous prime is 481418537. The next prime is 481418549. The reversal of 481418545 is 545814184.
It can be written as a sum of positive squares in 4 ways, for example, as 362673936 + 118744609 = 19044^2 + 10897^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 481418545 - 23 = 481418537 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 481418498 and 481418507.
It is not an unprimeable number, because it can be changed into a prime (481418549) 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, 118050 + ... + 122059.
It is an arithmetic number, because the mean of its divisors is an integer number (72393165).
Almost surely, 2481418545 is an apocalyptic number.
It is an amenable number.
481418545 is a deficient number, since it is larger than the sum of its proper divisors (97726775).
481418545 is a wasteful number, since it uses less digits than its factorization.
481418545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240515.
The product of its digits is 102400, while the sum is 40.
The square root of 481418545 is about 21941.2521292655. The cubic root of 481418545 is about 783.7440774294.
The spelling of 481418545 in words is "four hundred eighty-one million, four hundred eighteen thousand, five hundred forty-five".
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