Base | Representation |
---|---|
bin | 11001010101011… |
… | …11011011111101 |
3 | 112210220200122100 |
4 | 30222233123331 |
5 | 413401442231 |
6 | 33031135313 |
7 | 5160324510 |
oct | 1452573375 |
9 | 483820570 |
10 | 212530941 |
11 | a9a71707 |
12 | 5b214539 |
13 | 35053b6c |
14 | 20324d77 |
15 | 139d21e6 |
hex | caaf6fd |
212530941 has 24 divisors (see below), whose sum is σ = 369312320. Its totient is φ = 115053696.
The previous prime is 212530933. The next prime is 212530949. The reversal of 212530941 is 149035212.
It is an interprime number because it is at equal distance from previous prime (212530933) and next prime (212530949).
It is not a de Polignac number, because 212530941 - 23 = 212530933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212530949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87580 + ... + 89973.
Almost surely, 2212530941 is an apocalyptic number.
212530941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
212530941 is a deficient number, since it is larger than the sum of its proper divisors (156781379).
212530941 is a wasteful number, since it uses less digits than its factorization.
212530941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177585 (or 177582 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 212530941 is about 14578.4409660293. The cubic root of 212530941 is about 596.7705573529.
The spelling of 212530941 in words is "two hundred twelve million, five hundred thirty thousand, nine hundred forty-one".
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