Base | Representation |
---|---|
bin | 111010100000… |
… | …1100000110111 |
3 | 2010201112222221 |
4 | 1311001200313 |
5 | 30323131142 |
6 | 3013303211 |
7 | 521515312 |
oct | 165014067 |
9 | 63645887 |
10 | 30677047 |
11 | 16353135 |
12 | a334b07 |
13 | 64811cb |
14 | 4107979 |
15 | 2a5e767 |
hex | 1d41837 |
30677047 has 2 divisors, whose sum is σ = 30677048. Its totient is φ = 30677046.
The previous prime is 30676999. The next prime is 30677057. The reversal of 30677047 is 74077603.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (74077603) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30677047 - 215 = 30644279 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30677057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15338523 + 15338524.
It is an arithmetic number, because the mean of its divisors is an integer number (15338524).
Almost surely, 230677047 is an apocalyptic number.
30677047 is a deficient number, since it is larger than the sum of its proper divisors (1).
30677047 is an equidigital number, since it uses as much as digits as its factorization.
30677047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24696, while the sum is 34.
The square root of 30677047 is about 5538.6863966107. The cubic root of 30677047 is about 313.0433750584.
The spelling of 30677047 in words is "thirty million, six hundred seventy-seven thousand, forty-seven".
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