Base | Representation |
---|---|
bin | 111010101010… |
… | …0000100001110 |
3 | 2010212102020102 |
4 | 1311110010032 |
5 | 30333044123 |
6 | 3015051102 |
7 | 522253001 |
oct | 165240416 |
9 | 63772212 |
10 | 30753038 |
11 | 163a5238 |
12 | a370a92 |
13 | 64a9984 |
14 | 4127538 |
15 | 2a77028 |
hex | 1d5410e |
30753038 has 16 divisors (see below), whose sum is σ = 47246976. Its totient is φ = 15007200.
The previous prime is 30752989. The next prime is 30753043. The reversal of 30753038 is 83035703.
It is a self number, because there is not a number n which added to its sum of digits gives 30753038.
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 7 ways as a sum of consecutive naturals, for example, 22988 + ... + 24288.
It is an arithmetic number, because the mean of its divisors is an integer number (2952936).
Almost surely, 230753038 is an apocalyptic number.
30753038 is a deficient number, since it is larger than the sum of its proper divisors (16493938).
30753038 is a wasteful number, since it uses less digits than its factorization.
30753038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1579.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 30753038 is about 5545.5421736743. The cubic root of 30753038 is about 313.3016448513.
The spelling of 30753038 in words is "thirty million, seven hundred fifty-three thousand, thirty-eight".
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