Base | Representation |
---|---|
bin | 110111000010… |
… | …1111011101101 |
3 | 2000022020200010 |
4 | 1232011323231 |
5 | 24342011031 |
6 | 2510323433 |
7 | 500210232 |
oct | 156057355 |
9 | 60266603 |
10 | 28860141 |
11 | 15322062 |
12 | 97b9579 |
13 | 5c9620b |
14 | 3b93789 |
15 | 2801246 |
hex | 1b85eed |
28860141 has 8 divisors (see below), whose sum is σ = 38530240. Its totient is φ = 19215072.
The previous prime is 28860131. The next prime is 28860157. The reversal of 28860141 is 14106882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28860141 - 25 = 28860109 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28860099 and 28860108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28860131) 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, 3376 + ... + 8313.
It is an arithmetic number, because the mean of its divisors is an integer number (4816280).
Almost surely, 228860141 is an apocalyptic number.
It is an amenable number.
28860141 is a deficient number, since it is larger than the sum of its proper divisors (9670099).
28860141 is a wasteful number, since it uses less digits than its factorization.
28860141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12515.
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 28860141 is about 5372.1635306457. The cubic root of 28860141 is about 306.7369885729.
The spelling of 28860141 in words is "twenty-eight million, eight hundred sixty thousand, one hundred forty-one".
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