Base | Representation |
---|---|
bin | 11001100101011… |
… | …01110011100100 |
3 | 112221211220020012 |
4 | 30302231303210 |
5 | 414420341122 |
6 | 33144025352 |
7 | 5214152255 |
oct | 1462556344 |
9 | 487756205 |
10 | 214621412 |
11 | 10016a275 |
12 | 5ba62258 |
13 | 35606525 |
14 | 2070ab2c |
15 | 13c967e2 |
hex | ccadce4 |
214621412 has 12 divisors (see below), whose sum is σ = 376160316. Its totient is φ = 107147040.
The previous prime is 214621403. The next prime is 214621417. The reversal of 214621412 is 214126412.
It can be written as a sum of positive squares in 2 ways, for example, as 113337316 + 101284096 = 10646^2 + 10064^2 .
It is not an unprimeable number, because it can be changed into a prime (214621417) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37943 + ... + 43230.
It is an arithmetic number, because the mean of its divisors is an integer number (31346693).
Almost surely, 2214621412 is an apocalyptic number.
It is an amenable number.
214621412 is a deficient number, since it is larger than the sum of its proper divisors (161538904).
214621412 is a wasteful number, since it uses less digits than its factorization.
214621412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81838 (or 81836 counting only the distinct ones).
The product of its digits is 768, while the sum is 23.
The square root of 214621412 is about 14649.9628668471. The cubic root of 214621412 is about 598.7208043318.
Adding to 214621412 its reverse (214126412), we get a palindrome (428747824).
The spelling of 214621412 in words is "two hundred fourteen million, six hundred twenty-one thousand, four hundred twelve".
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