Base | Representation |
---|---|
bin | 1000010001011000… |
… | …1111000010000000 |
3 | 12201202010002100000 |
4 | 2010112033002000 |
5 | 14021411434443 |
6 | 1004155200000 |
7 | 106011161223 |
oct | 20426170200 |
9 | 5652102300 |
10 | 2220421248 |
11 | a3a408391 |
12 | 51b746000 |
13 | 295031736 |
14 | 170c755ba |
15 | cee028d3 |
hex | 8458f080 |
2220421248 has 96 divisors (see below), whose sum is σ = 6626234160. Its totient is φ = 740130048.
The previous prime is 2220421243. The next prime is 2220421249. The reversal of 2220421248 is 8421240222.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2220421241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4590 + ... + 66797.
Almost surely, 22220421248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2220421248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3313117080).
2220421248 is an abundant number, since it is smaller than the sum of its proper divisors (4405812912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220421248 is an frugal number, since it uses more digits than its factorization.
2220421248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71416 (or 71392 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 27.
The square root of 2220421248 is about 47121.3459909625. The cubic root of 2220421248 is about 1304.6032563272.
The spelling of 2220421248 in words is "two billion, two hundred twenty million, four hundred twenty-one thousand, two hundred forty-eight".
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