Base | Representation |
---|---|
bin | 100100011010110… |
… | …1011100001000000 |
3 | 10011011110121222010 |
4 | 1020311223201000 |
5 | 10000320001144 |
6 | 321132212520 |
7 | 42166044555 |
oct | 11065534100 |
9 | 3134417863 |
10 | 1222031424 |
11 | 577894329 |
12 | 2a130a140 |
13 | 166239423 |
14 | b8426a2c |
15 | 7243d5b9 |
hex | 48d6b840 |
1222031424 has 28 divisors (see below), whose sum is σ = 3233291984. Its totient is φ = 407343744.
The previous prime is 1222031413. The next prime is 1222031429. The reversal of 1222031424 is 4241302221.
It is a self number, because there is not a number n which added to its sum of digits gives 1222031424.
It is not an unprimeable number, because it can be changed into a prime (1222031429) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182182 + ... + 3182565.
Almost surely, 21222031424 is an apocalyptic number.
It is an amenable number.
1222031424 is an abundant number, since it is smaller than the sum of its proper divisors (2011260560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222031424 is an equidigital number, since it uses as much as digits as its factorization.
1222031424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6364762 (or 6364752 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1222031424 is about 34957.5660479960. The cubic root of 1222031424 is about 1069.1224714808.
Adding to 1222031424 its reverse (4241302221), we get a palindrome (5463333645).
The spelling of 1222031424 in words is "one billion, two hundred twenty-two million, thirty-one thousand, four hundred twenty-four".
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