Base | Representation |
---|---|
bin | 11001010111110… |
… | …11100110101110 |
3 | 112211111112121100 |
4 | 30223323212232 |
5 | 413441433201 |
6 | 33041543530 |
7 | 5163064212 |
oct | 1453734656 |
9 | 484445540 |
10 | 212842926 |
11 | aa16504a |
12 | 5b344ba6 |
13 | 35132b7a |
14 | 203a6942 |
15 | 13a44886 |
hex | cafb9ae |
212842926 has 24 divisors (see below), whose sum is σ = 464531184. Its totient is φ = 70428960.
The previous prime is 212842879. The next prime is 212842933. The reversal of 212842926 is 629248212.
It is a super-2 number, since 2×2128429262 = 90604222296482952, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40690 + ... + 45621.
It is an arithmetic number, because the mean of its divisors is an integer number (19355466).
Almost surely, 2212842926 is an apocalyptic number.
212842926 is an abundant number, since it is smaller than the sum of its proper divisors (251688258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212842926 is a wasteful number, since it uses less digits than its factorization.
212842926 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86456 (or 86453 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The square root of 212842926 is about 14589.1372603043. The cubic root of 212842926 is about 597.0624245558.
It can be divided in two parts, 2128 and 42926, that added together give a palindrome (45054).
The spelling of 212842926 in words is "two hundred twelve million, eight hundred forty-two thousand, nine hundred twenty-six".
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