Base | Representation |
---|---|
bin | 110111000101… |
… | …0110011100110 |
3 | 2000100021001102 |
4 | 1232022303212 |
5 | 24343130402 |
6 | 2511000102 |
7 | 500322356 |
oct | 156126346 |
9 | 60307042 |
10 | 28880102 |
11 | 15336059 |
12 | 9809032 |
13 | 5ca2324 |
14 | 3b9ab66 |
15 | 2807102 |
hex | 1b8ace6 |
28880102 has 8 divisors (see below), whose sum is σ = 43930512. Its totient is φ = 14236600.
The previous prime is 28880077. The next prime is 28880107. The reversal of 28880102 is 20108882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28880107) 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, 101549 + ... + 101832.
It is an arithmetic number, because the mean of its divisors is an integer number (5491314).
Almost surely, 228880102 is an apocalyptic number.
28880102 is a deficient number, since it is larger than the sum of its proper divisors (15050410).
28880102 is a wasteful number, since it uses less digits than its factorization.
28880102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203454.
The product of its (nonzero) digits is 2048, while the sum is 29.
The square root of 28880102 is about 5374.0210271267. The cubic root of 28880102 is about 306.8076900751.
Adding to 28880102 its reverse (20108882), we get a palindrome (48988984).
It can be divided in two parts, 28880 and 102, that added together give a palindrome (28982).
The spelling of 28880102 in words is "twenty-eight million, eight hundred eighty thousand, one hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •