Base | Representation |
---|---|
bin | 110111010000… |
… | …0110001110010 |
3 | 2000111211111121 |
4 | 1232200301302 |
5 | 24404020343 |
6 | 2512532454 |
7 | 501145633 |
oct | 156406162 |
9 | 60454447 |
10 | 28970098 |
11 | 15397733 |
12 | 985112a |
13 | 6004291 |
14 | 3bc188a |
15 | 2823aed |
hex | 1ba0c72 |
28970098 has 8 divisors (see below), whose sum is σ = 45742320. Its totient is φ = 13722660.
The previous prime is 28970093. The next prime is 28970099. The reversal of 28970098 is 89007982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (28970093) 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, 381148 + ... + 381223.
It is an arithmetic number, because the mean of its divisors is an integer number (5717790).
Almost surely, 228970098 is an apocalyptic number.
28970098 is a deficient number, since it is larger than the sum of its proper divisors (16772222).
28970098 is a wasteful number, since it uses less digits than its factorization.
28970098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762392.
The product of its (nonzero) digits is 72576, while the sum is 43.
The square root of 28970098 is about 5382.3877600931. The cubic root of 28970098 is about 307.1260503719.
The spelling of 28970098 in words is "twenty-eight million, nine hundred seventy thousand, ninety-eight".
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