Base | Representation |
---|---|
bin | 111010010000… |
… | …1010010011100 |
3 | 2010110211221020 |
4 | 1310201102130 |
5 | 30304420202 |
6 | 3010404140 |
7 | 520425426 |
oct | 164412234 |
9 | 63424836 |
10 | 30545052 |
11 | 16272a4a |
12 | a290650 |
13 | 64360c5 |
14 | 40b1816 |
15 | 2a355bc |
hex | 1d2149c |
30545052 has 24 divisors (see below), whose sum is σ = 72277632. Its totient is φ = 10038000.
The previous prime is 30545051. The next prime is 30545101. The reversal of 30545052 is 25054503.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30545051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17074 + ... + 18777.
It is an arithmetic number, because the mean of its divisors is an integer number (3011568).
Almost surely, 230545052 is an apocalyptic number.
It is an amenable number.
30545052 is an abundant number, since it is smaller than the sum of its proper divisors (41732580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30545052 is a wasteful number, since it uses less digits than its factorization.
30545052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35929 (or 35927 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 24.
The square root of 30545052 is about 5526.7578199158. The cubic root of 30545052 is about 312.5937493659.
Adding to 30545052 its reverse (25054503), we get a palindrome (55599555).
The spelling of 30545052 in words is "thirty million, five hundred forty-five thousand, fifty-two".
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