Base | Representation |
---|---|
bin | 11100101101001… |
… | …100001100100001 |
3 | 1020120020020122011 |
4 | 130231030030201 |
5 | 1441242432411 |
6 | 115442312521 |
7 | 14635414234 |
oct | 3455141441 |
9 | 1216206564 |
10 | 481608481 |
11 | 227945642 |
12 | 115358741 |
13 | 78a15b43 |
14 | 47d6941b |
15 | 2c433c21 |
hex | 1cb4c321 |
481608481 has 8 divisors (see below), whose sum is σ = 506385000. Its totient is φ = 457376640.
The previous prime is 481608469. The next prime is 481608499. The reversal of 481608481 is 184806184.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 77598481 + 404010000 = 8809^2 + 20100^2 .
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 481608481 - 225 = 448054049 is a prime.
It is a super-2 number, since 2×4816084812 = 463893457942254722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (481608401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134356 + ... + 137893.
It is an arithmetic number, because the mean of its divisors is an integer number (63298125).
Almost surely, 2481608481 is an apocalyptic number.
It is an amenable number.
481608481 is a deficient number, since it is larger than the sum of its proper divisors (24776519).
481608481 is a wasteful number, since it uses less digits than its factorization.
481608481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272339.
The product of its (nonzero) digits is 49152, while the sum is 40.
The square root of 481608481 is about 21945.5799877789. The cubic root of 481608481 is about 783.8471351145.
The spelling of 481608481 in words is "four hundred eighty-one million, six hundred eight thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •