Base | Representation |
---|---|
bin | 111010001111… |
… | …0110111011010 |
3 | 2010110100022202 |
4 | 1310132313122 |
5 | 30304111010 |
6 | 3010250202 |
7 | 520354463 |
oct | 164366732 |
9 | 63410282 |
10 | 30535130 |
11 | 1626654a |
12 | a286962 |
13 | 6431732 |
14 | 40abd6a |
15 | 2a326a5 |
hex | 1d1edda |
30535130 has 16 divisors (see below), whose sum is σ = 55101384. Its totient is φ = 12183360.
The previous prime is 30535129. The next prime is 30535133. The reversal of 30535130 is 3153503.
It can be written as a sum of positive squares in 4 ways, for example, as 17783089 + 12752041 = 4217^2 + 3571^2 .
It is not an unprimeable number, because it can be changed into a prime (30535133) 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, 584 + ... + 7836.
Almost surely, 230535130 is an apocalyptic number.
30535130 is a deficient number, since it is larger than the sum of its proper divisors (24566254).
30535130 is a wasteful number, since it uses less digits than its factorization.
30535130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7681.
The product of its (nonzero) digits is 675, while the sum is 20.
The square root of 30535130 is about 5525.8601140456. The cubic root of 30535130 is about 312.5598989180.
Adding to 30535130 its reverse (3153503), we get a palindrome (33688633).
The spelling of 30535130 in words is "thirty million, five hundred thirty-five thousand, one hundred thirty".
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