Base | Representation |
---|---|
bin | 11100101110001… |
… | …000100010100001 |
3 | 1020120200210200112 |
4 | 130232020202201 |
5 | 1441323340044 |
6 | 115451501105 |
7 | 14640463652 |
oct | 3456104241 |
9 | 1216623615 |
10 | 481855649 |
11 | 227aa4310 |
12 | 115457795 |
13 | 78aa14b2 |
14 | 47dd1529 |
15 | 2c48209e |
hex | 1cb888a1 |
481855649 has 8 divisors (see below), whose sum is σ = 528599520. Its totient is φ = 435601600.
The previous prime is 481855643. The next prime is 481855663. The reversal of 481855649 is 946558184.
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 481855649 - 224 = 465078433 is a prime.
It is a super-2 number, since 2×4818556492 = 464369732946422402, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 481855597 and 481855606.
It is not an unprimeable number, because it can be changed into a prime (481855643) 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, 120392 + ... + 124329.
It is an arithmetic number, because the mean of its divisors is an integer number (66074940).
Almost surely, 2481855649 is an apocalyptic number.
It is an amenable number.
481855649 is a deficient number, since it is larger than the sum of its proper divisors (46743871).
481855649 is a wasteful number, since it uses less digits than its factorization.
481855649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244911.
The product of its digits is 1382400, while the sum is 50.
The square root of 481855649 is about 21951.2106499847. The cubic root of 481855649 is about 783.9812058394.
The spelling of 481855649 in words is "four hundred eighty-one million, eight hundred fifty-five thousand, six hundred forty-nine".
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