Base | Representation |
---|---|
bin | 111010101000… |
… | …0100101000110 |
3 | 2010211200122112 |
4 | 1311100211012 |
5 | 30332120013 |
6 | 3014501022 |
7 | 522163241 |
oct | 165204506 |
9 | 63750575 |
10 | 30738758 |
11 | 16395536 |
12 | a364772 |
13 | 64a331b |
14 | 4122258 |
15 | 2a72ba8 |
hex | 1d50946 |
30738758 has 8 divisors (see below), whose sum is σ = 46306728. Its totient is φ = 15303184.
The previous prime is 30738739. The next prime is 30738761. The reversal of 30738758 is 85783703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
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, 32516 + ... + 33447.
It is an arithmetic number, because the mean of its divisors is an integer number (5788341).
Almost surely, 230738758 is an apocalyptic number.
30738758 is a deficient number, since it is larger than the sum of its proper divisors (15567970).
30738758 is a wasteful number, since it uses less digits than its factorization.
30738758 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66198.
The product of its (nonzero) digits is 141120, while the sum is 41.
The square root of 30738758 is about 5544.2545035379. The cubic root of 30738758 is about 313.2531440587.
The spelling of 30738758 in words is "thirty million, seven hundred thirty-eight thousand, seven hundred fifty-eight".
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