Base | Representation |
---|---|
bin | 111010101101… |
… | …1111101111100 |
3 | 2010221001122011 |
4 | 1311123331330 |
5 | 30340113104 |
6 | 3015501004 |
7 | 522446236 |
oct | 165337574 |
9 | 63831564 |
10 | 30785404 |
11 | 16417591 |
12 | a387764 |
13 | 64bb620 |
14 | 4135256 |
15 | 2a81904 |
hex | 1d5bf7c |
30785404 has 12 divisors (see below), whose sum is σ = 58018744. Its totient is φ = 14208624.
The previous prime is 30785389. The next prime is 30785411. The reversal of 30785404 is 40458703.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295962 + ... + 296065.
Almost surely, 230785404 is an apocalyptic number.
It is an amenable number.
30785404 is a deficient number, since it is larger than the sum of its proper divisors (27233340).
30785404 is a wasteful number, since it uses less digits than its factorization.
30785404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592044 (or 592042 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 30785404 is about 5548.4596060528. The cubic root of 30785404 is about 313.4115176355.
The spelling of 30785404 in words is "thirty million, seven hundred eighty-five thousand, four hundred four".
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