Base | Representation |
---|---|
bin | 111001111011… |
… | …0110101110110 |
3 | 2010011000102220 |
4 | 1303312311312 |
5 | 30233334230 |
6 | 3002543210 |
7 | 516102513 |
oct | 163666566 |
9 | 63130386 |
10 | 30371190 |
11 | 16164363 |
12 | a207b06 |
13 | 63a4c25 |
14 | 406830a |
15 | 29edd10 |
hex | 1cf6d76 |
30371190 has 16 divisors (see below), whose sum is σ = 72890928. Its totient is φ = 8098976.
The previous prime is 30371189. The next prime is 30371219. The reversal of 30371190 is 9117303.
It is a super-2 number, since 2×303711902 = 1844818364032200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30371190.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506157 + ... + 506216.
It is an arithmetic number, because the mean of its divisors is an integer number (4555683).
Almost surely, 230371190 is an apocalyptic number.
30371190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30371190 is an abundant number, since it is smaller than the sum of its proper divisors (42519738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30371190 is a wasteful number, since it uses less digits than its factorization.
30371190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1012383.
The product of its (nonzero) digits is 567, while the sum is 24.
The square root of 30371190 is about 5511.0062602033. The cubic root of 30371190 is about 311.9995274483. Note that the first 3 decimals are identical.
Adding to 30371190 its reverse (9117303), we get a palindrome (39488493).
The spelling of 30371190 in words is "thirty million, three hundred seventy-one thousand, one hundred ninety".
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