Base | Representation |
---|---|
bin | 100011110101000… |
… | …0110110100100000 |
3 | 10002210012010020112 |
4 | 1013222012310200 |
5 | 4430232022240 |
6 | 315143430452 |
7 | 41535463340 |
oct | 10752066440 |
9 | 3083163215 |
10 | 1202220320 |
11 | 567692a14 |
12 | 296755428 |
13 | 1620c0c92 |
14 | b594ad20 |
15 | 70828665 |
hex | 47a86d20 |
1202220320 has 48 divisors (see below), whose sum is σ = 3245997888. Its totient is φ = 412189440.
The previous prime is 1202220319. The next prime is 1202220323. The reversal of 1202220320 is 230222021.
It is a super-4 number, since 4×12022203204 (a number of 37 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 1202220295 and 1202220304.
It is not an unprimeable number, because it can be changed into a prime (1202220323) by changing a digit.
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, 535586 + ... + 537825.
It is an arithmetic number, because the mean of its divisors is an integer number (67624956).
Almost surely, 21202220320 is an apocalyptic number.
1202220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1202220320 is an abundant number, since it is smaller than the sum of its proper divisors (2043777568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202220320 is a wasteful number, since it uses less digits than its factorization.
1202220320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1073433 (or 1073425 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 1202220320 is about 34673.0488996858. The cubic root of 1202220320 is about 1063.3135659519.
Adding to 1202220320 its reverse (230222021), we get a palindrome (1432442341).
The spelling of 1202220320 in words is "one billion, two hundred two million, two hundred twenty thousand, three hundred twenty".
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