Base | Representation |
---|---|
bin | 101101111001… |
… | …001000000111 |
3 | 211122012201000 |
4 | 231321020013 |
5 | 11034433341 |
6 | 1105504343 |
7 | 204154155 |
oct | 55711007 |
9 | 24565630 |
10 | 12030471 |
11 | 6877742 |
12 | 40420b3 |
13 | 2652b2b |
14 | 18523d5 |
15 | 10c98b6 |
hex | b79207 |
12030471 has 8 divisors (see below), whose sum is σ = 17822960. Its totient is φ = 8020296.
The previous prime is 12030463. The next prime is 12030521. The reversal of 12030471 is 17403021.
12030471 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12030471 - 23 = 12030463 is a prime.
It is a super-3 number, since 3×120304713 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12030451) 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, 222760 + ... + 222813.
It is an arithmetic number, because the mean of its divisors is an integer number (2227870).
Almost surely, 212030471 is an apocalyptic number.
12030471 is a deficient number, since it is larger than the sum of its proper divisors (5792489).
12030471 is an equidigital number, since it uses as much as digits as its factorization.
12030471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 445582 (or 445576 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 12030471 is about 3468.4969367148. The cubic root of 12030471 is about 229.1364657648.
Adding to 12030471 its reverse (17403021), we get a palindrome (29433492).
The spelling of 12030471 in words is "twelve million, thirty thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •