Base | Representation |
---|---|
bin | 11001011000101… |
… | …00011110111000 |
3 | 112211200201101100 |
4 | 30230110132320 |
5 | 414003213244 |
6 | 33044051400 |
7 | 5164000251 |
oct | 1454243670 |
9 | 484621340 |
10 | 212944824 |
11 | aa224664 |
12 | 5b393b60 |
13 | 3516a371 |
14 | 203d1b28 |
15 | 13a64b69 |
hex | cb147b8 |
212944824 has 48 divisors (see below), whose sum is σ = 578284200. Its totient is φ = 70789824.
The previous prime is 212944819. The next prime is 212944847. The reversal of 212944824 is 428449212.
212944824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
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, 24207 + ... + 31809.
Almost surely, 2212944824 is an apocalyptic number.
212944824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
212944824 is an abundant number, since it is smaller than the sum of its proper divisors (365339376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212944824 is a wasteful number, since it uses less digits than its factorization.
212944824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8004 (or 7997 counting only the distinct ones).
The product of its digits is 36864, while the sum is 36.
The square root of 212944824 is about 14592.6290982811. The cubic root of 212944824 is about 597.1576900516.
The spelling of 212944824 in words is "two hundred twelve million, nine hundred forty-four thousand, eight hundred twenty-four".
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