Base | Representation |
---|---|
bin | 1000010110100101… |
… | …1101001111110100 |
3 | 12210021011110111200 |
4 | 2011221131033310 |
5 | 14043003044203 |
6 | 1010254532500 |
7 | 106364463234 |
oct | 20551351764 |
9 | 5707143450 |
10 | 2242237428 |
11 | a50759192 |
12 | 526b07130 |
13 | 2996cc712 |
14 | 173b13cc4 |
15 | d1cb19a3 |
hex | 85a5d3f4 |
2242237428 has 36 divisors (see below), whose sum is σ = 5863324740. Its totient is φ = 721639296.
The previous prime is 2242237421. The next prime is 2242237429. The reversal of 2242237428 is 8247322422.
2242237428 is a `hidden beast` number, since 2 + 2 + 4 + 223 + 7 + 428 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1412106084 + 830131344 = 37578^2 + 28812^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2242237392 and 2242237401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2242237421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1072825 + ... + 1074912.
Almost surely, 22242237428 is an apocalyptic number.
It is an amenable number.
2242237428 is an abundant number, since it is smaller than the sum of its proper divisors (3621087312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2242237428 is a wasteful number, since it uses less digits than its factorization.
2242237428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2147776 (or 2147771 counting only the distinct ones).
The product of its digits is 86016, while the sum is 36.
The square root of 2242237428 is about 47352.2695126643. The cubic root of 2242237428 is about 1308.8620204988.
The spelling of 2242237428 in words is "two billion, two hundred forty-two million, two hundred thirty-seven thousand, four hundred twenty-eight".
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