Base | Representation |
---|---|
bin | 111100110011111… |
… | …011110010111000 |
3 | 2122002202221002020 |
4 | 330303323302320 |
5 | 4042140402344 |
6 | 245123234440 |
7 | 34165646463 |
oct | 7463736270 |
9 | 2562687066 |
10 | 1020247224 |
11 | 4839a2927 |
12 | 245818a20 |
13 | 1334a8ca9 |
14 | 996dc2da |
15 | 5e880719 |
hex | 3ccfbcb8 |
1020247224 has 16 divisors (see below), whose sum is σ = 2550618120. Its totient is φ = 340082400.
The previous prime is 1020247223. The next prime is 1020247229. The reversal of 1020247224 is 4227420201.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 42510301 = 1020247224 / (1 + 0 + 2 + 0 + 2 + 4 + 7 + 2 + 2 + 4).
It is a junction number, because it is equal to n+sod(n) for n = 1020247194 and 1020247203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020247223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21255127 + ... + 21255174.
Almost surely, 21020247224 is an apocalyptic number.
It is an amenable number.
1020247224 is an abundant number, since it is smaller than the sum of its proper divisors (1530370896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020247224 is a wasteful number, since it uses less digits than its factorization.
1020247224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42510310 (or 42510306 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 24.
The square root of 1020247224 is about 31941.3090526985. The cubic root of 1020247224 is about 1006.7040302102.
Adding to 1020247224 its reverse (4227420201), we get a palindrome (5247667425).
The spelling of 1020247224 in words is "one billion, twenty million, two hundred forty-seven thousand, two hundred twenty-four".
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