Base | Representation |
---|---|
bin | 100100100111001… |
… | …0010011110001100 |
3 | 10011121121101002210 |
4 | 1021032102132030 |
5 | 10003442414234 |
6 | 321522350420 |
7 | 42304633320 |
oct | 11116223614 |
9 | 3147541083 |
10 | 1228482444 |
11 | 5804a0052 |
12 | 2a34bb410 |
13 | 1676877b7 |
14 | b9225980 |
15 | 72cb4be9 |
hex | 4939278c |
1228482444 has 48 divisors (see below), whose sum is σ = 3278729216. Its totient is φ = 350697600.
The previous prime is 1228482439. The next prime is 1228482457. The reversal of 1228482444 is 4442848221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105429 + ... + 116499.
Almost surely, 21228482444 is an apocalyptic number.
1228482444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1228482444 is an abundant number, since it is smaller than the sum of its proper divisors (2050246772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1228482444 is a wasteful number, since it uses less digits than its factorization.
1228482444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12406 (or 12404 counting only the distinct ones).
The product of its digits is 131072, while the sum is 39.
The square root of 1228482444 is about 35049.7138932688. The cubic root of 1228482444 is about 1071.0004454939. Note that the first 3 decimals are identical.
The spelling of 1228482444 in words is "one billion, two hundred twenty-eight million, four hundred eighty-two thousand, four hundred forty-four".
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