Base | Representation |
---|---|
bin | 111010000101… |
… | …0001101011101 |
3 | 2010022001021020 |
4 | 1310022031131 |
5 | 30243404100 |
6 | 3004354353 |
7 | 516553020 |
oct | 164121535 |
9 | 63261236 |
10 | 30450525 |
11 | 16208a26 |
12 | a2459b9 |
13 | 6402081 |
14 | 40891b7 |
15 | 2a175a0 |
hex | 1d0a35d |
30450525 has 48 divisors (see below), whose sum is σ = 59424768. Its totient is φ = 13464000.
The previous prime is 30450523. The next prime is 30450533. The reversal of 30450525 is 52505403.
It is not a de Polignac number, because 30450525 - 21 = 30450523 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30450495 and 30450504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30450523) 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 47 ways as a sum of consecutive naturals, for example, 15340 + ... + 17210.
It is an arithmetic number, because the mean of its divisors is an integer number (1238016).
Almost surely, 230450525 is an apocalyptic number.
30450525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30450525 is a deficient number, since it is larger than the sum of its proper divisors (28974243).
30450525 is a wasteful number, since it uses less digits than its factorization.
30450525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1922 (or 1917 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 24.
The square root of 30450525 is about 5518.1994345982. The cubic root of 30450525 is about 312.2709575009.
Adding to 30450525 its reverse (52505403), we get a palindrome (82955928).
The spelling of 30450525 in words is "thirty million, four hundred fifty thousand, five hundred twenty-five".
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