Base | Representation |
---|---|
bin | 11101001101101… |
… | …000000010000001 |
3 | 1021011020020001011 |
4 | 131031220002001 |
5 | 2000432023410 |
6 | 120344440521 |
7 | 15100606231 |
oct | 3515500201 |
9 | 1234206034 |
10 | 490111105 |
11 | 231722800 |
12 | 118179141 |
13 | 7a701c93 |
14 | 4913dcc1 |
15 | 2d06318a |
hex | 1d368081 |
490111105 has 24 divisors (see below), whose sum is σ = 684502056. Its totient is φ = 335470080.
The previous prime is 490111093. The next prime is 490111133. The reversal of 490111105 is 501111094.
It can be written as a sum of positive squares in 4 ways, for example, as 66080641 + 424030464 = 8129^2 + 20592^2 .
It is a de Polignac number, because none of the positive numbers 2k-490111105 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13542 + ... + 34111.
It is an arithmetic number, because the mean of its divisors is an integer number (28520919).
Almost surely, 2490111105 is an apocalyptic number.
It is an amenable number.
490111105 is a deficient number, since it is larger than the sum of its proper divisors (194390951).
490111105 is a wasteful number, since it uses less digits than its factorization.
490111105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47697 (or 47686 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 22.
The square root of 490111105 is about 22138.4530850735. The cubic root of 490111105 is about 788.4330983649.
Adding to 490111105 its reverse (501111094), we get a palindrome (991222199).
It can be divided in two parts, 4 and 90111105, that added together give a palindrome (90111109).
The spelling of 490111105 in words is "four hundred ninety million, one hundred eleven thousand, one hundred five".
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