Base | Representation |
---|---|
bin | 111001010011… |
… | …0000111110100 |
3 | 2002112012220111 |
4 | 1302212013310 |
5 | 30142244224 |
6 | 2551512404 |
7 | 513224551 |
oct | 162460764 |
9 | 62465814 |
10 | 30040564 |
11 | 15a58a14 |
12 | a088704 |
13 | 62ba5a8 |
14 | 3dbda28 |
15 | 2985d94 |
hex | 1ca61f4 |
30040564 has 24 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 14080896.
The previous prime is 30040561. The next prime is 30040579. The reversal of 30040564 is 46504003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30040561) 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 7 ways as a sum of consecutive naturals, for example, 20157 + ... + 21595.
It is an arithmetic number, because the mean of its divisors is an integer number (2328480).
Almost surely, 230040564 is an apocalyptic number.
30040564 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30040564 is a deficient number, since it is larger than the sum of its proper divisors (25842956).
30040564 is a wasteful number, since it uses less digits than its factorization.
30040564 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1767 (or 1765 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 30040564 is about 5480.9272938071. The cubic root of 30040564 is about 310.8632339438.
Adding to 30040564 its reverse (46504003), we get a palindrome (76544567).
The spelling of 30040564 in words is "thirty million, forty thousand, five hundred sixty-four".
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