Base | Representation |
---|---|
bin | 11001010101010… |
… | …11011001101100 |
3 | 112210212211222011 |
4 | 30222223121230 |
5 | 413400430122 |
6 | 33030531004 |
7 | 5160225355 |
oct | 1452533154 |
9 | 483784864 |
10 | 212514412 |
11 | a9a60250 |
12 | 5b206a64 |
13 | 35049496 |
14 | 2031cd2c |
15 | 139cc377 |
hex | caab66c |
212514412 has 24 divisors (see below), whose sum is σ = 409510080. Its totient is φ = 95692560.
The previous prime is 212514391. The next prime is 212514413. The reversal of 212514412 is 214415212.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (212514413) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17862 + ... + 27277.
It is an arithmetic number, because the mean of its divisors is an integer number (17062920).
Almost surely, 2212514412 is an apocalyptic number.
212514412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212514412 is a deficient number, since it is larger than the sum of its proper divisors (196995668).
212514412 is a wasteful number, since it uses less digits than its factorization.
212514412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45261 (or 45259 counting only the distinct ones).
The product of its digits is 640, while the sum is 22.
The square root of 212514412 is about 14577.8740562539. The cubic root of 212514412 is about 596.7550862311.
Adding to 212514412 its reverse (214415212), we get a palindrome (426929624).
The spelling of 212514412 in words is "two hundred twelve million, five hundred fourteen thousand, four hundred twelve".
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