Base | Representation |
---|---|
bin | 111010011111… |
… | …0011111001110 |
3 | 2010200220222221 |
4 | 1310332133032 |
5 | 30322232104 |
6 | 3013125554 |
7 | 521434216 |
oct | 164763716 |
9 | 63626887 |
10 | 30664654 |
11 | 16344899 |
12 | a3298ba |
13 | 6478687 |
14 | 4103246 |
15 | 2a5ac54 |
hex | 1d3e7ce |
30664654 has 4 divisors (see below), whose sum is σ = 45996984. Its totient is φ = 15332326.
The previous prime is 30664637. The next prime is 30664657. The reversal of 30664654 is 45646603.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45646603 = 547 ⋅83449.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30664657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7666162 + ... + 7666165.
It is an arithmetic number, because the mean of its divisors is an integer number (11499246).
Almost surely, 230664654 is an apocalyptic number.
30664654 is a deficient number, since it is larger than the sum of its proper divisors (15332330).
30664654 is a wasteful number, since it uses less digits than its factorization.
30664654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15332329.
The product of its (nonzero) digits is 51840, while the sum is 34.
The square root of 30664654 is about 5537.5675165184. The cubic root of 30664654 is about 313.0012146652.
The spelling of 30664654 in words is "thirty million, six hundred sixty-four thousand, six hundred fifty-four".
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