Base | Representation |
---|---|
bin | 100011110001011… |
… | …1001011000000000 |
3 | 10002122122002112120 |
4 | 1013202321120000 |
5 | 4424241031430 |
6 | 315035124240 |
7 | 41513432034 |
oct | 10742713000 |
9 | 3078562476 |
10 | 1200330240 |
11 | 56661196a |
12 | 295ba3680 |
13 | 1618ab8a5 |
14 | b55b81c4 |
15 | 705a3610 |
hex | 478b9600 |
1200330240 has 160 divisors (see below), whose sum is σ = 3891688416. Its totient is φ = 315555840.
The previous prime is 1200330221. The next prime is 1200330253. The reversal of 1200330240 is 420330021.
1200330240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
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, 559570 + ... + 561710.
Almost surely, 21200330240 is an apocalyptic number.
1200330240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1200330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945844208).
1200330240 is an abundant number, since it is smaller than the sum of its proper divisors (2691358176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200330240 is an equidigital number, since it uses as much as digits as its factorization.
1200330240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2240 (or 2224 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 1200330240 is about 34645.7824273027. The cubic root of 1200330240 is about 1062.7560414544.
Adding to 1200330240 its reverse (420330021), we get a palindrome (1620660261).
The spelling of 1200330240 in words is "one billion, two hundred million, three hundred thirty thousand, two hundred forty".
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