Base | Representation |
---|---|
bin | 111001001110001… |
… | …0010001011100100 |
3 | 11221210211222100100 |
4 | 1302130102023210 |
5 | 12413011021444 |
6 | 514304344100 |
7 | 65402606364 |
oct | 16234221344 |
9 | 4853758310 |
10 | 1920017124 |
11 | 8a5888313 |
12 | 457015030 |
13 | 247a21a0c |
14 | 142dd89a4 |
15 | b3863e69 |
hex | 727122e4 |
1920017124 has 81 divisors (see below), whose sum is σ = 4972511817. Its totient is φ = 624669408.
The previous prime is 1920017119. The next prime is 1920017137. The reversal of 1920017124 is 4217100291.
The square root of 1920017124 is 43818.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 1338242724 + 581774400 = 36582^2 + 24120^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17614782 + ... + 17614890.
Almost surely, 21920017124 is an apocalyptic number.
1920017124 is the 43818-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1920017124
1920017124 is an abundant number, since it is smaller than the sum of its proper divisors (3052494693).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1920017124 is a wasteful number, since it uses less digits than its factorization.
1920017124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362 (or 181 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The cubic root of 1920017124 is about 1242.8966973879.
The spelling of 1920017124 in words is "one billion, nine hundred twenty million, seventeen thousand, one hundred twenty-four".
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