Base | Representation |
---|---|
bin | 110110100101… |
… | …1000110111011 |
3 | 1222212000011012 |
4 | 1231023012323 |
5 | 24311303240 |
6 | 2501224135 |
7 | 465154613 |
oct | 155130673 |
9 | 58760135 |
10 | 28619195 |
11 | 15178030 |
12 | 970204b |
13 | 5c10647 |
14 | 3b2da43 |
15 | 27a4b65 |
hex | 1b4b1bb |
28619195 has 8 divisors (see below), whose sum is σ = 37465200. Its totient is φ = 20813920.
The previous prime is 28619137. The next prime is 28619197. The reversal of 28619195 is 59191682.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28619195 - 210 = 28618171 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28619197) 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, 260120 + ... + 260229.
It is an arithmetic number, because the mean of its divisors is an integer number (4683150).
Almost surely, 228619195 is an apocalyptic number.
28619195 is a deficient number, since it is larger than the sum of its proper divisors (8846005).
28619195 is a wasteful number, since it uses less digits than its factorization.
28619195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 520365.
The product of its digits is 38880, while the sum is 41.
The square root of 28619195 is about 5349.6911125784. The cubic root of 28619195 is about 305.8809788161.
The spelling of 28619195 in words is "twenty-eight million, six hundred nineteen thousand, one hundred ninety-five".
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