Base | Representation |
---|---|
bin | 111010011111… |
… | …0011101011111 |
3 | 2010200220211211 |
4 | 1310332131133 |
5 | 30322231133 |
6 | 3013125251 |
7 | 521434000 |
oct | 164763537 |
9 | 63626754 |
10 | 30664543 |
11 | 163447a8 |
12 | a329827 |
13 | 6478600 |
14 | 41031a7 |
15 | 2a5abcd |
hex | 1d3e75f |
30664543 has 36 divisors (see below), whose sum is σ = 40479600. Its totient is φ = 23207184.
The previous prime is 30664541. The next prime is 30664553. The reversal of 30664543 is 34546603.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is not a de Polignac number, because 30664543 - 21 = 30664541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30664541) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1333230 + ... + 1333252.
Almost surely, 230664543 is an apocalyptic number.
30664543 is a deficient number, since it is larger than the sum of its proper divisors (9815057).
30664543 is an equidigital number, since it uses as much as digits as its factorization.
30664543 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93 (or 43 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 31.
The square root of 30664543 is about 5537.5574940582. The cubic root of 30664543 is about 313.0008369972. Note that the first 3 decimals are identical.
The spelling of 30664543 in words is "thirty million, six hundred sixty-four thousand, five hundred forty-three".
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