Base | Representation |
---|---|
bin | 111010100100… |
… | …1001100100100 |
3 | 2010210011011110 |
4 | 1311021030210 |
5 | 30330133031 |
6 | 3014105020 |
7 | 522006126 |
oct | 165111444 |
9 | 63704143 |
10 | 30708516 |
11 | 16374843 |
12 | a34b170 |
13 | 6492627 |
14 | 4115216 |
15 | 2a68c46 |
hex | 1d49324 |
30708516 has 12 divisors (see below), whose sum is σ = 71653232. Its totient is φ = 10236168.
The previous prime is 30708449. The next prime is 30708521. The reversal of 30708516 is 61580703.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279510 + ... + 1279533.
Almost surely, 230708516 is an apocalyptic number.
It is an amenable number.
30708516 is an abundant number, since it is smaller than the sum of its proper divisors (40944716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30708516 is a wasteful number, since it uses less digits than its factorization.
30708516 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2559050 (or 2559048 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 30708516 is about 5541.5265044931. The cubic root of 30708516 is about 313.1503800927.
The spelling of 30708516 in words is "thirty million, seven hundred eight thousand, five hundred sixteen".
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