Base | Representation |
---|---|
bin | 111001011011… |
… | …1000011100100 |
3 | 2002122202001101 |
4 | 1302313003210 |
5 | 30202004144 |
6 | 2553205444 |
7 | 513634015 |
oct | 162670344 |
9 | 62582041 |
10 | 30109924 |
11 | 15aa6039 |
12 | a100884 |
13 | 6313030 |
14 | 3ddb00c |
15 | 299b6d4 |
hex | 1cb70e4 |
30109924 has 24 divisors (see below), whose sum is σ = 60085368. Its totient is φ = 13079040.
The previous prime is 30109909. The next prime is 30109969. The reversal of 30109924 is 42990103.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 57600 + 30052324 = 240^2 + 5482^2 .
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 30109892 and 30109901.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16147 + ... + 17914.
It is an arithmetic number, because the mean of its divisors is an integer number (2503557).
Almost surely, 230109924 is an apocalyptic number.
30109924 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30109924 is a deficient number, since it is larger than the sum of its proper divisors (29975444).
30109924 is a wasteful number, since it uses less digits than its factorization.
30109924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34095 (or 34093 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 30109924 is about 5487.2510421886. The cubic root of 30109924 is about 311.1022984843.
The spelling of 30109924 in words is "thirty million, one hundred nine thousand, nine hundred twenty-four".
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