Base | Representation |
---|---|
bin | 11001011000010… |
… | …11100010101011 |
3 | 112211121212011000 |
4 | 30230023202223 |
5 | 414001030303 |
6 | 33043210043 |
7 | 5163455424 |
oct | 1454134253 |
9 | 484555130 |
10 | 212908203 |
11 | aa1aa0a2 |
12 | 5b376923 |
13 | 351567b1 |
14 | 203c264b |
15 | 13a58da3 |
hex | cb0b8ab |
212908203 has 32 divisors (see below), whose sum is σ = 326894400. Its totient is φ = 136857600.
The previous prime is 212908193. The next prime is 212908211. The reversal of 212908203 is 302809212.
It is a happy number.
212908203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 212908203 - 29 = 212907691 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (212908253) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97443 + ... + 99603.
It is an arithmetic number, because the mean of its divisors is an integer number (10215450).
Almost surely, 2212908203 is an apocalyptic number.
212908203 is a deficient number, since it is larger than the sum of its proper divisors (113986197).
212908203 is a wasteful number, since it uses less digits than its factorization.
212908203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2300 (or 2294 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 212908203 is about 14591.3742670113. The cubic root of 212908203 is about 597.1234561985.
The spelling of 212908203 in words is "two hundred twelve million, nine hundred eight thousand, two hundred three".
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