Base | Representation |
---|---|
bin | 111010101110… |
… | …0000100000100 |
3 | 2010221002011200 |
4 | 1311130010010 |
5 | 30340121141 |
6 | 3015502500 |
7 | 522450336 |
oct | 165340404 |
9 | 63832150 |
10 | 30785796 |
11 | 16417908 |
12 | a387a30 |
13 | 64bb862 |
14 | 4135456 |
15 | 2a81ab6 |
hex | 1d5c104 |
30785796 has 36 divisors (see below), whose sum is σ = 78029952. Its totient is φ = 10234224.
The previous prime is 30785789. The next prime is 30785801. The reversal of 30785796 is 69758703.
It is a happy number.
30785796 is a `hidden beast` number, since 3 + 0 + 78 + 579 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
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, 15745 + ... + 17591.
Almost surely, 230785796 is an apocalyptic number.
30785796 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30785796 is an abundant number, since it is smaller than the sum of its proper divisors (47244156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30785796 is a wasteful number, since it uses less digits than its factorization.
30785796 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2320 (or 2315 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The square root of 30785796 is about 5548.4949310601. The cubic root of 30785796 is about 313.4128478849.
The spelling of 30785796 in words is "thirty million, seven hundred eighty-five thousand, seven hundred ninety-six".
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