Base | Representation |
---|---|
bin | 111010011000… |
… | …0111110000100 |
3 | 2010121010001012 |
4 | 1310300332010 |
5 | 30313444114 |
6 | 3012021352 |
7 | 521113616 |
oct | 164607604 |
9 | 63533035 |
10 | 30609284 |
11 | 16307232 |
12 | a301858 |
13 | 6459404 |
14 | 40cadb6 |
15 | 2a4963e |
hex | 1d30f84 |
30609284 has 6 divisors (see below), whose sum is σ = 53566254. Its totient is φ = 15304640.
The previous prime is 30609277. The next prime is 30609287. The reversal of 30609284 is 48290603.
It can be written as a sum of positive squares in only one way, i.e., 25725184 + 4884100 = 5072^2 + 2210^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30609284.
It is not an unprimeable number, because it can be changed into a prime (30609287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3826157 + ... + 3826164.
It is an arithmetic number, because the mean of its divisors is an integer number (8927709).
Almost surely, 230609284 is an apocalyptic number.
It is an amenable number.
30609284 is a deficient number, since it is larger than the sum of its proper divisors (22956970).
30609284 is a wasteful number, since it uses less digits than its factorization.
30609284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7652325 (or 7652323 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 30609284 is about 5532.5657700564. The cubic root of 30609284 is about 312.8127096961.
Adding to 30609284 its reverse (48290603), we get a palindrome (78899887).
The spelling of 30609284 in words is "thirty million, six hundred nine thousand, two hundred eighty-four".
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