Base | Representation |
---|---|
bin | 11100111101100… |
… | …001101000101101 |
3 | 1020212021210121100 |
4 | 130331201220231 |
5 | 1443341444410 |
6 | 120114153313 |
7 | 15020000454 |
oct | 3475415055 |
9 | 1225253540 |
10 | 485890605 |
11 | 22a2aa892 |
12 | 116882839 |
13 | 79884c45 |
14 | 48761b9b |
15 | 2c9cc8c0 |
hex | 1cf61a2d |
485890605 has 24 divisors (see below), whose sum is σ = 851680440. Its totient is φ = 256227840.
The previous prime is 485890579. The next prime is 485890607. The reversal of 485890605 is 506098584.
485890605 is a `hidden beast` number, since 4 + 8 + 589 + 0 + 60 + 5 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 47155689 + 438734916 = 6867^2 + 20946^2 .
It is not a de Polignac number, because 485890605 - 26 = 485890541 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (485890607) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56656 + ... + 64665.
It is an arithmetic number, because the mean of its divisors is an integer number (35486685).
Almost surely, 2485890605 is an apocalyptic number.
485890605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
485890605 is a deficient number, since it is larger than the sum of its proper divisors (365789835).
485890605 is a wasteful number, since it uses less digits than its factorization.
485890605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121421 (or 121418 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 45.
The square root of 485890605 is about 22042.9264164267. The cubic root of 485890605 is about 786.1634228885.
The spelling of 485890605 in words is "four hundred eighty-five million, eight hundred ninety thousand, six hundred five".
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