Base | Representation |
---|---|
bin | 101010111111010… |
… | …0111000001101111 |
3 | 10201112021101021100 |
4 | 1111332213001233 |
5 | 10423233214033 |
6 | 355045134143 |
7 | 50513562543 |
oct | 12576470157 |
9 | 3645241240 |
10 | 1442476143 |
11 | 680270749 |
12 | 3430ba353 |
13 | 19cb013a4 |
14 | d980ba23 |
15 | 86985513 |
hex | 55fa706f |
1442476143 has 24 divisors (see below), whose sum is σ = 2234634480. Its totient is φ = 893842560.
The previous prime is 1442476141. The next prime is 1442476177. The reversal of 1442476143 is 3416742441.
1442476143 is a `hidden beast` number, since 1 + 4 + 42 + 476 + 143 = 666.
It is not a de Polignac number, because 1442476143 - 21 = 1442476141 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1442476098 and 1442476107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442476141) 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 23 ways as a sum of consecutive naturals, for example, 70518 + ... + 88643.
It is an arithmetic number, because the mean of its divisors is an integer number (93109770).
Almost surely, 21442476143 is an apocalyptic number.
1442476143 is a deficient number, since it is larger than the sum of its proper divisors (792158337).
1442476143 is a wasteful number, since it uses less digits than its factorization.
1442476143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159239 (or 159236 counting only the distinct ones).
The product of its digits is 64512, while the sum is 36.
The square root of 1442476143 is about 37979.9439573046. The cubic root of 1442476143 is about 1129.8901250621.
It can be divided in two parts, 14424761 and 43, that added together give a square (14424804 = 37982).
The spelling of 1442476143 in words is "one billion, four hundred forty-two million, four hundred seventy-six thousand, one hundred forty-three".
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