Base | Representation |
---|---|
bin | 111010101110… |
… | …0111100000110 |
3 | 2010221021002111 |
4 | 1311130330012 |
5 | 30340230012 |
6 | 3015531234 |
7 | 522463651 |
oct | 165347406 |
9 | 63837074 |
10 | 30789382 |
11 | 1641a578 |
12 | a389b1a |
13 | 64c0390 |
14 | 4136898 |
15 | 2a82ba7 |
hex | 1d5cf06 |
30789382 has 8 divisors (see below), whose sum is σ = 49736736. Its totient is φ = 14210472.
The previous prime is 30789373. The next prime is 30789383. The reversal of 30789382 is 28398703.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30789383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592078 + ... + 592129.
It is an arithmetic number, because the mean of its divisors is an integer number (6217092).
Almost surely, 230789382 is an apocalyptic number.
30789382 is a deficient number, since it is larger than the sum of its proper divisors (18947354).
30789382 is a wasteful number, since it uses less digits than its factorization.
30789382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1184222.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 30789382 is about 5548.8180723466. The cubic root of 30789382 is about 313.4250164278.
The spelling of 30789382 in words is "thirty million, seven hundred eighty-nine thousand, three hundred eighty-two".
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