Base | Representation |
---|---|
bin | 11010111100101… |
… | …001010100100001 |
3 | 1011111201100011100 |
4 | 122330221110201 |
5 | 1411214334010 |
6 | 112510105013 |
7 | 14126555565 |
oct | 3274512441 |
9 | 1144640140 |
10 | 452105505 |
11 | 212224615 |
12 | 1074ab169 |
13 | 72886167 |
14 | 440896a5 |
15 | 29a572c0 |
hex | 1af29521 |
452105505 has 24 divisors (see below), whose sum is σ = 810674280. Its totient is φ = 232807680.
The previous prime is 452105473. The next prime is 452105509. The reversal of 452105505 is 505501254.
452105505 is a `hidden beast` number, since 4 + 52 + 105 + 505 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 64448784 + 387656721 = 8028^2 + 19689^2 .
It is not a de Polignac number, because 452105505 - 25 = 452105473 is a prime.
It is not an unprimeable number, because it can be changed into a prime (452105509) 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, 171916 + ... + 174525.
It is an arithmetic number, because the mean of its divisors is an integer number (33778095).
Almost surely, 2452105505 is an apocalyptic number.
452105505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
452105505 is a deficient number, since it is larger than the sum of its proper divisors (358568775).
452105505 is a wasteful number, since it uses less digits than its factorization.
452105505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346481 (or 346478 counting only the distinct ones).
The product of its (nonzero) digits is 5000, while the sum is 27.
The square root of 452105505 is about 21262.7727495734. The cubic root of 452105505 is about 767.5027349441.
Adding to 452105505 its reverse (505501254), we get a palindrome (957606759).
The spelling of 452105505 in words is "four hundred fifty-two million, one hundred five thousand, five hundred five".
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