Base | Representation |
---|---|
bin | 100011110011011… |
… | …0001001011010000 |
3 | 10002201112122211212 |
4 | 1013212301023100 |
5 | 4430021021412 |
6 | 315112555252 |
7 | 41525160143 |
oct | 10746611320 |
9 | 3081478755 |
10 | 1201345232 |
11 | 5671454aa |
12 | 2963b2b28 |
13 | 161b75889 |
14 | b57a005a |
15 | 70704222 |
hex | 479b12d0 |
1201345232 has 40 divisors (see below), whose sum is σ = 2435677440. Its totient is φ = 573315840.
The previous prime is 1201345231. The next prime is 1201345247. The reversal of 1201345232 is 2325431021.
It is a junction number, because it is equal to n+sod(n) for n = 1201345198 and 1201345207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201345231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19619 + ... + 52797.
It is an arithmetic number, because the mean of its divisors is an integer number (60891936).
Almost surely, 21201345232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1201345232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217838720).
1201345232 is an abundant number, since it is smaller than the sum of its proper divisors (1234332208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201345232 is a wasteful number, since it uses less digits than its factorization.
1201345232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33291 (or 33285 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 1201345232 is about 34660.4274641846. The cubic root of 1201345232 is about 1063.0555104235.
Adding to 1201345232 its reverse (2325431021), we get a palindrome (3526776253).
The spelling of 1201345232 in words is "one billion, two hundred one million, three hundred forty-five thousand, two hundred thirty-two".
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