Base | Representation |
---|---|
bin | 111001110000… |
… | …0010101110011 |
3 | 2002222100000110 |
4 | 1303200111303 |
5 | 30222412102 |
6 | 3000552403 |
7 | 515240022 |
oct | 163402563 |
9 | 62870013 |
10 | 30279027 |
11 | 16101099 |
12 | a182703 |
13 | 6371cac |
14 | 40428b9 |
15 | 29d186c |
hex | 1ce0573 |
30279027 has 16 divisors (see below), whose sum is σ = 42624000. Its totient is φ = 19066464.
The previous prime is 30278939. The next prime is 30279031. The reversal of 30279027 is 72097203.
It is a de Polignac number, because none of the positive numbers 2k-30279027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30278985 and 30279003.
It is not an unprimeable number, because it can be changed into a prime (30279037) 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 15 ways as a sum of consecutive naturals, for example, 26749 + ... + 27857.
It is an arithmetic number, because the mean of its divisors is an integer number (2664000).
Almost surely, 230279027 is an apocalyptic number.
30279027 is a deficient number, since it is larger than the sum of its proper divisors (12344973).
30279027 is a wasteful number, since it uses less digits than its factorization.
30279027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1610.
The product of its (nonzero) digits is 5292, while the sum is 30.
The square root of 30279027 is about 5502.6381854525. The cubic root of 30279027 is about 311.6836145982.
The spelling of 30279027 in words is "thirty million, two hundred seventy-nine thousand, twenty-seven".
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