Base | Representation |
---|---|
bin | 100100010111110… |
… | …0010110011000000 |
3 | 10011001102220102020 |
4 | 1020233202303000 |
5 | 4444412012343 |
6 | 321033521440 |
7 | 42146265051 |
oct | 11057426300 |
9 | 3131386366 |
10 | 1220422848 |
11 | 576995827 |
12 | 2a0873280 |
13 | 165ac51c8 |
14 | b8128728 |
15 | 72221b83 |
hex | 48be2cc0 |
1220422848 has 56 divisors (see below), whose sum is σ = 3233239152. Its totient is φ = 406278144.
The previous prime is 1220422831. The next prime is 1220422867. The reversal of 1220422848 is 8482240221.
It is a super-2 number, since 2×12204228482 = 2978863855840862208, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160836 + ... + 168252.
Almost surely, 21220422848 is an apocalyptic number.
It is an amenable number.
1220422848 is an abundant number, since it is smaller than the sum of its proper divisors (2012816304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220422848 is an equidigital number, since it uses as much as digits as its factorization.
1220422848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8289 (or 8279 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 33.
The square root of 1220422848 is about 34934.5509202566. The cubic root of 1220422848 is about 1068.6531655229.
The spelling of 1220422848 in words is "one billion, two hundred twenty million, four hundred twenty-two thousand, eight hundred forty-eight".
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