Base | Representation |
---|---|
bin | 111001011011… |
… | …0110110010100 |
3 | 2002122200212222 |
4 | 1302312312110 |
5 | 30201442301 |
6 | 2553201512 |
7 | 513631364 |
oct | 162666624 |
9 | 62580788 |
10 | 30109076 |
11 | 15aa5438 |
12 | a100298 |
13 | 631282a |
14 | 3dda9a4 |
15 | 299b31b |
hex | 1cb6d94 |
30109076 has 24 divisors (see below), whose sum is σ = 55014120. Its totient is φ = 14400512.
The previous prime is 30109039. The next prime is 30109097. The reversal of 30109076 is 67090103.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 122500 + 29986576 = 350^2 + 5476^2 .
It is an alternating number because its digits alternate between odd and even.
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, 11960 + ... + 14256.
It is an arithmetic number, because the mean of its divisors is an integer number (2292255).
Almost surely, 230109076 is an apocalyptic number.
It is an amenable number.
30109076 is a deficient number, since it is larger than the sum of its proper divisors (24905044).
30109076 is a wasteful number, since it uses less digits than its factorization.
30109076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2443 (or 2441 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 26.
The square root of 30109076 is about 5487.1737716242. The cubic root of 30109076 is about 311.0993778833.
Adding to 30109076 its reverse (67090103), we get a palindrome (97199179).
The spelling of 30109076 in words is "thirty million, one hundred nine thousand, seventy-six".
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