Base | Representation |
---|---|
bin | 1100101100100… |
… | …10010100001111 |
3 | 21102102001001200 |
4 | 12112102110033 |
5 | 204231133422 |
6 | 14322440543 |
7 | 2432165424 |
oct | 626222417 |
9 | 242361050 |
10 | 106505487 |
11 | 55135170 |
12 | 2b803153 |
13 | 190b08ca |
14 | 10205d4b |
15 | 953c2ac |
hex | 659250f |
106505487 has 24 divisors (see below), whose sum is σ = 173618640. Its totient is φ = 62321280.
The previous prime is 106505471. The next prime is 106505513. The reversal of 106505487 is 784505601.
106505487 is a `hidden beast` number, since 106 + 5 + 0 + 548 + 7 = 666.
It is not a de Polignac number, because 106505487 - 24 = 106505471 is a prime.
It is a super-2 number, since 2×1065054872 = 22686837522214338, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (106505407) 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 23 ways as a sum of consecutive naturals, for example, 15678 + ... + 21419.
It is an arithmetic number, because the mean of its divisors is an integer number (7234110).
Almost surely, 2106505487 is an apocalyptic number.
106505487 is a deficient number, since it is larger than the sum of its proper divisors (67113153).
106505487 is a wasteful number, since it uses less digits than its factorization.
106505487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37143 (or 37140 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The square root of 106505487 is about 10320.1495628697. The cubic root of 106505487 is about 474.0134456475.
The spelling of 106505487 in words is "one hundred six million, five hundred five thousand, four hundred eighty-seven".
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