Base | Representation |
---|---|
bin | 101010111100100… |
… | …0010010110110100 |
3 | 10201102112011021002 |
4 | 1111321002112310 |
5 | 10422344441340 |
6 | 354553542432 |
7 | 50465266361 |
oct | 12571022664 |
9 | 3642464232 |
10 | 1441015220 |
11 | 67a463077 |
12 | 342714a18 |
13 | 19c70c438 |
14 | d954b468 |
15 | 86797715 |
hex | 55e425b4 |
1441015220 has 24 divisors (see below), whose sum is σ = 3130482600. Its totient is φ = 556529792.
The previous prime is 1441015201. The next prime is 1441015231. The reversal of 1441015220 is 225101441.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 84860944 + 1356154276 = 9212^2 + 36826^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1441015192 and 1441015201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241675 + ... + 1242834.
It is an arithmetic number, because the mean of its divisors is an integer number (130436775).
Almost surely, 21441015220 is an apocalyptic number.
1441015220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1441015220 is an abundant number, since it is smaller than the sum of its proper divisors (1689467380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1441015220 is a wasteful number, since it uses less digits than its factorization.
1441015220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2484547 (or 2484545 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 1441015220 is about 37960.7062631875. The cubic root of 1441015220 is about 1129.5085497049.
Adding to 1441015220 its reverse (225101441), we get a palindrome (1666116661).
The spelling of 1441015220 in words is "one billion, four hundred forty-one million, fifteen thousand, two hundred twenty".
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