Base | Representation |
---|---|
bin | 101110000001… |
… | …000000000000 |
3 | 211200211221102 |
4 | 232001000000 |
5 | 11042001340 |
6 | 1110313532 |
7 | 204350165 |
oct | 56010000 |
9 | 24624842 |
10 | 12062720 |
11 | 689999a |
12 | 40588a8 |
13 | 2664707 |
14 | 186006c |
15 | 10d4215 |
hex | b81000 |
12062720 has 104 divisors (see below), whose sum is σ = 31453440. Its totient is φ = 4423680.
The previous prime is 12062719. The next prime is 12062731. The reversal of 12062720 is 2726021.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a plaindrome in base 11.
It is a nialpdrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 12062692 and 12062701.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389105 + ... + 389135.
Almost surely, 212062720 is an apocalyptic number.
12062720 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 12062720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15726720).
12062720 is an abundant number, since it is smaller than the sum of its proper divisors (19390720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12062720 is an equidigital number, since it uses as much as digits as its factorization.
12062720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79 (or 57 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 12062720 is about 3473.1426691111. The cubic root of 12062720 is about 229.3410249208.
Adding to 12062720 its reverse (2726021), we get a palindrome (14788741).
The spelling of 12062720 in words is "twelve million, sixty-two thousand, seven hundred twenty".
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