Base | Representation |
---|---|
bin | 1100001101111… |
… | …00011110000101 |
3 | 21010211201101222 |
4 | 12012330132011 |
5 | 202213440340 |
6 | 14100330125 |
7 | 2353045502 |
oct | 606743605 |
9 | 233751358 |
10 | 102483845 |
11 | 529386a2 |
12 | 2a3a3945 |
13 | 18303239 |
14 | d87a4a9 |
15 | 8ee58b5 |
hex | 61bc785 |
102483845 has 4 divisors (see below), whose sum is σ = 122980620. Its totient is φ = 81987072.
The previous prime is 102483841. The next prime is 102483847. The reversal of 102483845 is 548384201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548384201 = 157 ⋅3492893.
It can be written as a sum of positive squares in 2 ways, for example, as 75099556 + 27384289 = 8666^2 + 5233^2 .
It is a cyclic number.
It is not a de Polignac number, because 102483845 - 22 = 102483841 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102483841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10248380 + ... + 10248389.
It is an arithmetic number, because the mean of its divisors is an integer number (30745155).
Almost surely, 2102483845 is an apocalyptic number.
It is an amenable number.
102483845 is a deficient number, since it is larger than the sum of its proper divisors (20496775).
102483845 is an equidigital number, since it uses as much as digits as its factorization.
102483845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20496774.
The product of its (nonzero) digits is 30720, while the sum is 35.
The square root of 102483845 is about 10123.4304956373. The cubic root of 102483845 is about 467.9704930017.
The spelling of 102483845 in words is "one hundred two million, four hundred eighty-three thousand, eight hundred forty-five".
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