Base | Representation |
---|---|
bin | 111001001110… |
… | …0001111001010 |
3 | 2002110011100212 |
4 | 1302130033022 |
5 | 30140000244 |
6 | 2551001122 |
7 | 512665526 |
oct | 162341712 |
9 | 62404325 |
10 | 30000074 |
11 | 15a30555 |
12 | a0691a2 |
13 | 62a5030 |
14 | 3dacd86 |
15 | 2978d9e |
hex | 1c9c3ca |
30000074 has 8 divisors (see below), whose sum is σ = 48461700. Its totient is φ = 13846176.
The previous prime is 30000071. The next prime is 30000079. The reversal of 30000074 is 47000003.
It can be written as a sum of positive squares in 2 ways, for example, as 29757025 + 243049 = 5455^2 + 493^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
30000074 is a modest number, since divided by 74 gives 30 as remainder.
It is not an unprimeable number, because it can be changed into a prime (30000071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576899 + ... + 576950.
Almost surely, 230000074 is an apocalyptic number.
30000074 is a deficient number, since it is larger than the sum of its proper divisors (18461626).
30000074 is a wasteful number, since it uses less digits than its factorization.
30000074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1153864.
The product of its (nonzero) digits is 84, while the sum is 14.
The square root of 30000074 is about 5477.2323302924. The cubic root of 30000074 is about 310.7235060787.
Adding to 30000074 its reverse (47000003), we get a palindrome (77000077).
The spelling of 30000074 in words is "thirty million, seventy-four", and thus it is an aban number.
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