Base | Representation |
---|---|
bin | 111010000011… |
… | …0011100110101 |
3 | 2010021021010212 |
4 | 1310012130311 |
5 | 30242411000 |
6 | 3004155205 |
7 | 516460100 |
oct | 164063465 |
9 | 63237125 |
10 | 30435125 |
11 | 161a83a6 |
12 | a238b05 |
13 | 63c8066 |
14 | 4083737 |
15 | 2a12c35 |
hex | 1d06735 |
30435125 has 24 divisors (see below), whose sum is σ = 44193240. Its totient is φ = 20865600.
The previous prime is 30435113. The next prime is 30435133. The reversal of 30435125 is 52153403.
It can be written as a sum of positive squares in 4 ways, for example, as 4036081 + 26399044 = 2009^2 + 5138^2 .
It is not a de Polignac number, because 30435125 - 24 = 30435109 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30435125.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 3641 + ... + 8609.
It is an arithmetic number, because the mean of its divisors is an integer number (1841385).
Almost surely, 230435125 is an apocalyptic number.
30435125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30435125 is a deficient number, since it is larger than the sum of its proper divisors (13758115).
30435125 is an equidigital number, since it uses as much as digits as its factorization.
30435125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4998 (or 4981 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 30435125 is about 5516.8038754337. The cubic root of 30435125 is about 312.2183061517.
Adding to 30435125 its reverse (52153403), we get a palindrome (82588528).
The spelling of 30435125 in words is "thirty million, four hundred thirty-five thousand, one hundred twenty-five".
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