Base | Representation |
---|---|
bin | 111010011000… |
… | …0011100101011 |
3 | 2010121000010001 |
4 | 1310300130223 |
5 | 30313412042 |
6 | 3012003431 |
7 | 521104444 |
oct | 164603453 |
9 | 63530101 |
10 | 30607147 |
11 | 1630566a |
12 | a300577 |
13 | 645844c |
14 | 40ca2cb |
15 | 2a48bb7 |
hex | 1d3072b |
30607147 has 4 divisors (see below), whose sum is σ = 30636000. Its totient is φ = 30578296.
The previous prime is 30607139. The next prime is 30607153. The reversal of 30607147 is 74170603.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30607147 - 23 = 30607139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30607117) 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, 12772 + ... + 14977.
It is an arithmetic number, because the mean of its divisors is an integer number (7659000).
Almost surely, 230607147 is an apocalyptic number.
30607147 is a deficient number, since it is larger than the sum of its proper divisors (28853).
30607147 is a wasteful number, since it uses less digits than its factorization.
30607147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28852.
The product of its (nonzero) digits is 3528, while the sum is 28.
The square root of 30607147 is about 5532.3726374857. The cubic root of 30607147 is about 312.8054298098.
The spelling of 30607147 in words is "thirty million, six hundred seven thousand, one hundred forty-seven".
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