Base | Representation |
---|---|
bin | 111001111101… |
… | …0001010001110 |
3 | 2010011201002022 |
4 | 1303322022032 |
5 | 30234303112 |
6 | 3003130142 |
7 | 516160241 |
oct | 163721216 |
9 | 63151068 |
10 | 30384782 |
11 | 1617359a |
12 | a213952 |
13 | 63ab17c |
14 | 406d258 |
15 | 2a02d72 |
hex | 1cfa28e |
30384782 has 8 divisors (see below), whose sum is σ = 45652896. Its totient is φ = 15167152.
The previous prime is 30384751. The next prime is 30384793. The reversal of 30384782 is 28748303.
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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11078 + ... + 13545.
It is an arithmetic number, because the mean of its divisors is an integer number (5706612).
Almost surely, 230384782 is an apocalyptic number.
30384782 is a deficient number, since it is larger than the sum of its proper divisors (15268114).
30384782 is a wasteful number, since it uses less digits than its factorization.
30384782 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25242.
The product of its (nonzero) digits is 32256, while the sum is 35.
The square root of 30384782 is about 5512.2392908871. The cubic root of 30384782 is about 312.0460634925.
The spelling of 30384782 in words is "thirty million, three hundred eighty-four thousand, seven hundred eighty-two".
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