Base | Representation |
---|---|
bin | 101110000011… |
… | …010001011110 |
3 | 211201022201020 |
4 | 232003101132 |
5 | 11042301110 |
6 | 1110425010 |
7 | 204416265 |
oct | 56032136 |
9 | 24638636 |
10 | 12072030 |
11 | 68a5993 |
12 | 4062166 |
13 | 2668a19 |
14 | 18635dc |
15 | 10d6d70 |
hex | b8345e |
12072030 has 32 divisors (see below), whose sum is σ = 30499200. Its totient is φ = 3049632.
The previous prime is 12072019. The next prime is 12072031. The reversal of 12072030 is 3027021.
12072030 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12072031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10020 + ... + 11159.
It is an arithmetic number, because the mean of its divisors is an integer number (953100).
Almost surely, 212072030 is an apocalyptic number.
12072030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12072030 is an abundant number, since it is smaller than the sum of its proper divisors (18427170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12072030 is a wasteful number, since it uses less digits than its factorization.
12072030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21208.
The product of its (nonzero) digits is 84, while the sum is 15.
The square root of 12072030 is about 3474.4826953088. The cubic root of 12072030 is about 229.4000115029.
Adding to 12072030 its reverse (3027021), we get a palindrome (15099051).
It can be divided in two parts, 120 and 72030, that multiplied together give a square (8643600 = 29402).
The spelling of 12072030 in words is "twelve million, seventy-two thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •