Base | Representation |
---|---|
bin | 111110100100110… |
… | …010100000000000 |
3 | 2201011102221222100 |
4 | 332210302200000 |
5 | 4122224101144 |
6 | 252101310400 |
7 | 35005264005 |
oct | 7644624000 |
9 | 2634387870 |
10 | 1049831424 |
11 | 499669984 |
12 | 253705400 |
13 | 139666935 |
14 | 9d5dd8ac |
15 | 62276269 |
hex | 3e932800 |
1049831424 has 72 divisors (see below), whose sum is σ = 3032159130. Its totient is φ = 349937664.
The previous prime is 1049831423. The next prime is 1049831441. The reversal of 1049831424 is 4241389401.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1021953024 + 27878400 = 31968^2 + 5280^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a super-2 number, since 2×10498314242 = 2204292037635735552, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1049831423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10047 + ... + 46910.
Almost surely, 21049831424 is an apocalyptic number.
It is an amenable number.
1049831424 is an abundant number, since it is smaller than the sum of its proper divisors (1982327706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1049831424 is an equidigital number, since it uses as much as digits as its factorization.
1049831424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56985 (or 56962 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 1049831424 is about 32401.1022034745. The cubic root of 1049831424 is about 1016.3419602426.
The spelling of 1049831424 in words is "one billion, forty-nine million, eight hundred thirty-one thousand, four hundred twenty-four".
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