Base | Representation |
---|---|
bin | 111001010011… |
… | …1011101011010 |
3 | 2002112111102101 |
4 | 1302213131122 |
5 | 30142433132 |
6 | 2551554014 |
7 | 513246535 |
oct | 162473532 |
9 | 62474371 |
10 | 30046042 |
11 | 15a62044 |
12 | a08b90a |
13 | 62bcc30 |
14 | 3dc1a1c |
15 | 29877e7 |
hex | 1ca775a |
30046042 has 8 divisors (see below), whose sum is σ = 48535956. Its totient is φ = 13867392.
The previous prime is 30046039. The next prime is 30046043. The reversal of 30046042 is 24064003.
It can be written as a sum of positive squares in 2 ways, for example, as 25210441 + 4835601 = 5021^2 + 2199^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30046043) 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, 577783 + ... + 577834.
Almost surely, 230046042 is an apocalyptic number.
30046042 is a deficient number, since it is larger than the sum of its proper divisors (18489914).
30046042 is a wasteful number, since it uses less digits than its factorization.
30046042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1155632.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 30046042 is about 5481.4270039835. The cubic root of 30046042 is about 310.8821284547.
The spelling of 30046042 in words is "thirty million, forty-six thousand, forty-two", and thus it is an eban number.
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