Base | Representation |
---|---|
bin | 111001010000… |
… | …0101000101000 |
3 | 2002111002002001 |
4 | 1302200220220 |
5 | 30141034323 |
6 | 2551220344 |
7 | 513102202 |
oct | 162405050 |
9 | 62432061 |
10 | 30018088 |
11 | 15a43041 |
12 | a0776b4 |
13 | 62b02a9 |
14 | 3db5772 |
15 | 297e3ad |
hex | 1ca0a28 |
30018088 has 8 divisors (see below), whose sum is σ = 56283930. Its totient is φ = 15009040.
The previous prime is 30018049. The next prime is 30018091. The reversal of 30018088 is 88081003.
It can be written as a sum of positive squares in only one way, i.e., 30008484 + 9604 = 5478^2 + 98^2 .
It is a tau number, because it is divible by the number of its divisors (8).
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 an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1876123 + ... + 1876138.
Almost surely, 230018088 is an apocalyptic number.
It is an amenable number.
30018088 is a deficient number, since it is larger than the sum of its proper divisors (26265842).
30018088 is a wasteful number, since it uses less digits than its factorization.
30018088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3752267 (or 3752263 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 30018088 is about 5478.8765271723. The cubic root of 30018088 is about 310.7856865172.
The spelling of 30018088 in words is "thirty million, eighteen thousand, eighty-eight".
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