Base | Representation |
---|---|
bin | 110101110001… |
… | …1110010111110 |
3 | 1222001111200102 |
4 | 1223203302332 |
5 | 24204233110 |
6 | 2444201102 |
7 | 461443112 |
oct | 153436276 |
9 | 58044612 |
10 | 28196030 |
11 | 14a09105 |
12 | 9539192 |
13 | 5ac2b55 |
14 | 3a5d742 |
15 | 271e5a5 |
hex | 1ae3cbe |
28196030 has 32 divisors (see below), whose sum is σ = 54639360. Its totient is φ = 10437120.
The previous prime is 28196027. The next prime is 28196087. The reversal of 28196030 is 3069182.
It is a super-2 number, since 2×281960302 = 1590032215521800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28195984 and 28196002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9011 + ... + 11729.
It is an arithmetic number, because the mean of its divisors is an integer number (1707480).
Almost surely, 228196030 is an apocalyptic number.
28196030 is a deficient number, since it is larger than the sum of its proper divisors (26443330).
28196030 is a wasteful number, since it uses less digits than its factorization.
28196030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2804.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 28196030 is about 5309.9934086588. The cubic root of 28196030 is about 304.3658957062.
The spelling of 28196030 in words is "twenty-eight million, one hundred ninety-six thousand, thirty".
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