Base | Representation |
---|---|
bin | 111001100101… |
… | …0001001001110 |
3 | 2002210201022011 |
4 | 1303022021032 |
5 | 30212004420 |
6 | 2555011434 |
7 | 514410661 |
oct | 163121116 |
9 | 62721264 |
10 | 30188110 |
11 | 16049857 |
12 | a139b7a |
13 | 633c7b4 |
14 | 401b6d8 |
15 | 29b495a |
hex | 1cca24e |
30188110 has 16 divisors (see below), whose sum is σ = 56092032. Its totient is φ = 11685600.
The previous prime is 30188099. The next prime is 30188113. The reversal of 30188110 is 1188103.
It is a super-2 number, since 2×301881102 = 1822643970744200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30188113) 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, 48381 + ... + 49000.
It is an arithmetic number, because the mean of its divisors is an integer number (3505752).
Almost surely, 230188110 is an apocalyptic number.
30188110 is a deficient number, since it is larger than the sum of its proper divisors (25903922).
30188110 is a wasteful number, since it uses less digits than its factorization.
30188110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97419.
The product of its (nonzero) digits is 192, while the sum is 22.
The square root of 30188110 is about 5494.3707556007. The cubic root of 30188110 is about 311.3713440083.
The spelling of 30188110 in words is "thirty million, one hundred eighty-eight thousand, one hundred ten".
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