Base | Representation |
---|---|
bin | 111010011111… |
… | …0100100110110 |
3 | 2010200221111021 |
4 | 1310332210312 |
5 | 30322240024 |
6 | 3013131354 |
7 | 521435242 |
oct | 164764466 |
9 | 63627437 |
10 | 30665014 |
11 | 16345096 |
12 | a329b5a |
13 | 64788a3 |
14 | 4103422 |
15 | 2a5ade4 |
hex | 1d3e936 |
30665014 has 32 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 14268000.
The previous prime is 30664999. The next prime is 30665017. The reversal of 30665014 is 41056603.
It is a self number, because there is not a number n which added to its sum of digits gives 30665014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30665017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303564 + ... + 303664.
It is an arithmetic number, because the mean of its divisors is an integer number (1542240).
Almost surely, 230665014 is an apocalyptic number.
30665014 is a deficient number, since it is larger than the sum of its proper divisors (18686666).
30665014 is a wasteful number, since it uses less digits than its factorization.
30665014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 276.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 30665014 is about 5537.6000216700. The cubic root of 30665014 is about 313.0024395282.
The spelling of 30665014 in words is "thirty million, six hundred sixty-five thousand, fourteen".
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