Base | Representation |
---|---|
bin | 111010101111… |
… | …1010110000100 |
3 | 2010221202121110 |
4 | 1311133112010 |
5 | 30341033421 |
6 | 3020045020 |
7 | 522534456 |
oct | 165372604 |
9 | 63852543 |
10 | 30799236 |
11 | 16426a16 |
12 | a393770 |
13 | 64c4a00 |
14 | 413a2d6 |
15 | 2a85a76 |
hex | 1d5f584 |
30799236 has 36 divisors (see below), whose sum is σ = 77823312. Its totient is φ = 9476064.
The previous prime is 30799229. The next prime is 30799253. The reversal of 30799236 is 63299703.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 30799194 and 30799203.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5566 + ... + 9621.
Almost surely, 230799236 is an apocalyptic number.
It is an amenable number.
30799236 is an abundant number, since it is smaller than the sum of its proper divisors (47024076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30799236 is a wasteful number, since it uses less digits than its factorization.
30799236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15220 (or 15205 counting only the distinct ones).
The product of its (nonzero) digits is 61236, while the sum is 39.
The square root of 30799236 is about 5549.7059381556. The cubic root of 30799236 is about 313.4584496060.
The spelling of 30799236 in words is "thirty million, seven hundred ninety-nine thousand, two hundred thirty-six".
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