Base | Representation |
---|---|
bin | 10000111111110… |
… | …10100000100101 |
3 | 100221022000021011 |
4 | 20133322200211 |
5 | 243000140340 |
6 | 22052022221 |
7 | 3350641225 |
oct | 1037724045 |
9 | 327260234 |
10 | 142583845 |
11 | 73537398 |
12 | 3b901971 |
13 | 23703451 |
14 | 14d18085 |
15 | c7b70ea |
hex | 87fa825 |
142583845 has 8 divisors (see below), whose sum is σ = 181165464. Its totient is φ = 107357184.
The previous prime is 142583843. The next prime is 142583863. The reversal of 142583845 is 548385241.
142583845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 59737441 + 82846404 = 7729^2 + 9102^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142583845 - 21 = 142583843 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142583798 and 142583807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142583843) 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, 838644 + ... + 838813.
It is an arithmetic number, because the mean of its divisors is an integer number (22645683).
Almost surely, 2142583845 is an apocalyptic number.
It is an amenable number.
142583845 is a deficient number, since it is larger than the sum of its proper divisors (38581619).
142583845 is a wasteful number, since it uses less digits than its factorization.
142583845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1677479.
The product of its digits is 153600, while the sum is 40.
The square root of 142583845 is about 11940.8477504740. The cubic root of 142583845 is about 522.4243856300.
The spelling of 142583845 in words is "one hundred forty-two million, five hundred eighty-three thousand, eight hundred forty-five".
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