Base | Representation |
---|---|
bin | 101010111111001… |
… | …1010011011110101 |
3 | 10201112011202112001 |
4 | 1111332122123311 |
5 | 10423230041230 |
6 | 355044055301 |
7 | 50513256301 |
oct | 12576323365 |
9 | 3645152461 |
10 | 1442424565 |
11 | 680235a1a |
12 | 343094531 |
13 | 19cab3a7a |
14 | d97d6d01 |
15 | 869750ca |
hex | 55f9a6f5 |
1442424565 has 8 divisors (see below), whose sum is σ = 1731682008. Its totient is φ = 1153424640.
The previous prime is 1442424563. The next prime is 1442424601. The reversal of 1442424565 is 5654242441.
It can be written as a sum of positive squares in 4 ways, for example, as 35724529 + 1406700036 = 5977^2 + 37506^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1442424565 - 21 = 1442424563 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442424563) 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, 51832 + ... + 74641.
It is an arithmetic number, because the mean of its divisors is an integer number (216460251).
Almost surely, 21442424565 is an apocalyptic number.
It is an amenable number.
1442424565 is a deficient number, since it is larger than the sum of its proper divisors (289257443).
1442424565 is a wasteful number, since it uses less digits than its factorization.
1442424565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128759.
The product of its digits is 153600, while the sum is 37.
The square root of 1442424565 is about 37979.2649349616. The cubic root of 1442424565 is about 1129.8766579030.
The spelling of 1442424565 in words is "one billion, four hundred forty-two million, four hundred twenty-four thousand, five hundred sixty-five".
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