Base | Representation |
---|---|
bin | 111001100101… |
… | …0101010111110 |
3 | 2002210211021011 |
4 | 1303022222332 |
5 | 30212042040 |
6 | 2555025434 |
7 | 514420165 |
oct | 163125276 |
9 | 62724234 |
10 | 30190270 |
11 | 16050440 |
12 | a13b27a |
13 | 6340786 |
14 | 401c3dc |
15 | 29b53ea |
hex | 1ccaabe |
30190270 has 16 divisors (see below), whose sum is σ = 59282928. Its totient is φ = 10978240.
The previous prime is 30190253. The next prime is 30190291. The reversal of 30190270 is 7209103.
It is a super-2 number, since 2×301902702 = 1822904805345800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137119 + ... + 137338.
It is an arithmetic number, because the mean of its divisors is an integer number (3705183).
Almost surely, 230190270 is an apocalyptic number.
30190270 is a deficient number, since it is larger than the sum of its proper divisors (29092658).
30190270 is a wasteful number, since it uses less digits than its factorization.
30190270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274475.
The product of its (nonzero) digits is 378, while the sum is 22.
The square root of 30190270 is about 5494.5673169049. The cubic root of 30190270 is about 311.3787701778.
Adding to 30190270 its reverse (7209103), we get a palindrome (37399373).
The spelling of 30190270 in words is "thirty million, one hundred ninety thousand, two hundred seventy".
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