Base | Representation |
---|---|
bin | 11001010101000… |
… | …11000100111000 |
3 | 112210211010012012 |
4 | 30222203010320 |
5 | 413343332222 |
6 | 33030105052 |
7 | 5160024062 |
oct | 1452430470 |
9 | 483733165 |
10 | 212480312 |
11 | a9a37670 |
12 | 5b1ab188 |
13 | 35036ac5 |
14 | 20310732 |
15 | 139c21e2 |
hex | caa3138 |
212480312 has 16 divisors (see below), whose sum is σ = 434619000. Its totient is φ = 96581920.
The previous prime is 212480311. The next prime is 212480353. The reversal of 212480312 is 213084212.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212480311) 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, 1207187 + ... + 1207362.
Almost surely, 2212480312 is an apocalyptic number.
212480312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212480312 is an abundant number, since it is smaller than the sum of its proper divisors (222138688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212480312 is a wasteful number, since it uses less digits than its factorization.
212480312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2414566 (or 2414562 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 212480312 is about 14576.7044286423. The cubic root of 212480312 is about 596.7231661419.
The spelling of 212480312 in words is "two hundred twelve million, four hundred eighty thousand, three hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •