Base | Representation |
---|---|
bin | 11100111101101… |
… | …000011011101010 |
3 | 1020212100012210100 |
4 | 130331220123222 |
5 | 1443343342232 |
6 | 120114530230 |
7 | 15020144562 |
oct | 3475503352 |
9 | 1225305710 |
10 | 485918442 |
11 | 22a319799 |
12 | 116896976 |
13 | 79894809 |
14 | 4876bda2 |
15 | 2c9d5c7c |
hex | 1cf686ea |
485918442 has 12 divisors (see below), whose sum is σ = 1052823330. Its totient is φ = 161972808.
The previous prime is 485918413. The next prime is 485918443. The reversal of 485918442 is 244819584.
485918442 is a `hidden beast` number, since 485 + 91 + 84 + 4 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 485276841 + 641601 = 22029^2 + 801^2 .
It is a super-2 number, since 2×4859184422 = 472233464551414728, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (485918443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13497717 + ... + 13497752.
Almost surely, 2485918442 is an apocalyptic number.
485918442 is an abundant number, since it is smaller than the sum of its proper divisors (566904888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485918442 is a wasteful number, since it uses less digits than its factorization.
485918442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26995477 (or 26995474 counting only the distinct ones).
The product of its digits is 368640, while the sum is 45.
The square root of 485918442 is about 22043.5578344332. The cubic root of 485918442 is about 786.1784358791.
The spelling of 485918442 in words is "four hundred eighty-five million, nine hundred eighteen thousand, four hundred forty-two".
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