Base | Representation |
---|---|
bin | 111001110100… |
… | …0011001100010 |
3 | 2010001000021221 |
4 | 1303220121202 |
5 | 30224441114 |
6 | 3001405254 |
7 | 515435164 |
oct | 163503142 |
9 | 63030257 |
10 | 30312034 |
11 | 16123975 |
12 | a19982a |
13 | 638401c |
14 | 4050934 |
15 | 29db524 |
hex | 1ce8662 |
30312034 has 8 divisors (see below), whose sum is σ = 45556560. Its totient is φ = 15126516.
The previous prime is 30312013. The next prime is 30312053. The reversal of 30312034 is 43021303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30311999 and 30312017.
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, 13444 + ... + 15535.
It is an arithmetic number, because the mean of its divisors is an integer number (5694570).
Almost surely, 230312034 is an apocalyptic number.
30312034 is a deficient number, since it is larger than the sum of its proper divisors (15244526).
30312034 is a wasteful number, since it uses less digits than its factorization.
30312034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29504.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 30312034 is about 5505.6365662837. The cubic root of 30312034 is about 311.7968283322.
Adding to 30312034 its reverse (43021303), we get a palindrome (73333337).
The spelling of 30312034 in words is "thirty million, three hundred twelve thousand, thirty-four".
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