Base | Representation |
---|---|
bin | 11001010100011… |
… | …00010010000110 |
3 | 112210122101010100 |
4 | 30222030102012 |
5 | 413332340300 |
6 | 33024104530 |
7 | 5156154636 |
oct | 1452142206 |
9 | 483571110 |
10 | 212386950 |
11 | a9983506 |
12 | 5b165146 |
13 | 35003469 |
14 | 202c86c6 |
15 | 139a4700 |
hex | ca8c486 |
212386950 has 72 divisors (see below), whose sum is σ = 604200168. Its totient is φ = 53303040.
The previous prime is 212386943. The next prime is 212386963. The reversal of 212386950 is 59683212.
It is a congruent number.
It is an unprimeable number.
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 35 ways as a sum of consecutive naturals, for example, 6232 + ... + 21531.
It is an arithmetic number, because the mean of its divisors is an integer number (8391669).
Almost surely, 2212386950 is an apocalyptic number.
212386950 is an abundant number, since it is smaller than the sum of its proper divisors (391813218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212386950 is a wasteful number, since it uses less digits than its factorization.
212386950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27798 (or 27790 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 212386950 is about 14573.5016382474. The cubic root of 212386950 is about 596.6357550160.
The spelling of 212386950 in words is "two hundred twelve million, three hundred eighty-six thousand, nine hundred fifty".
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