Base | Representation |
---|---|
bin | 11001010101001… |
… | …00100101000010 |
3 | 112210211102122010 |
4 | 30222210211002 |
5 | 413344031331 |
6 | 33030153350 |
7 | 5160051033 |
oct | 1452444502 |
9 | 483742563 |
10 | 212486466 |
11 | a9a41255 |
12 | 5b1b2856 |
13 | 3503984a |
14 | 20312a8a |
15 | 139c3e46 |
hex | caa4942 |
212486466 has 32 divisors (see below), whose sum is σ = 444165120. Its totient is φ = 67640144.
The previous prime is 212486459. The next prime is 212486467. The reversal of 212486466 is 664684212.
It is not an unprimeable number, because it can be changed into a prime (212486467) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 168145 + ... + 169403.
It is an arithmetic number, because the mean of its divisors is an integer number (13880160).
Almost surely, 2212486466 is an apocalyptic number.
212486466 is an abundant number, since it is smaller than the sum of its proper divisors (231678654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212486466 is a wasteful number, since it uses less digits than its factorization.
212486466 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2510.
The product of its digits is 110592, while the sum is 39.
The square root of 212486466 is about 14576.9155173514. The cubic root of 212486466 is about 596.7289269876.
The spelling of 212486466 in words is "two hundred twelve million, four hundred eighty-six thousand, four hundred sixty-six".
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