Base | Representation |
---|---|
bin | 111010010111… |
… | …1011101100001 |
3 | 2010120210120100 |
4 | 1310233131201 |
5 | 30313244410 |
6 | 3011533013 |
7 | 521056611 |
oct | 164573541 |
9 | 63523510 |
10 | 30603105 |
11 | 16302625 |
12 | a2ba169 |
13 | 6456660 |
14 | 40c8a41 |
15 | 2a478c0 |
hex | 1d2f761 |
30603105 has 24 divisors (see below), whose sum is σ = 57126888. Its totient is φ = 15065856.
The previous prime is 30603103. The next prime is 30603109. The reversal of 30603105 is 50130603.
It can be written as a sum of positive squares in 4 ways, for example, as 4562496 + 26040609 = 2136^2 + 5103^2 .
It is not a de Polignac number, because 30603105 - 21 = 30603103 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30603103) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25572 + ... + 26741.
It is an arithmetic number, because the mean of its divisors is an integer number (2380287).
Almost surely, 230603105 is an apocalyptic number.
It is an amenable number.
30603105 is a deficient number, since it is larger than the sum of its proper divisors (26523783).
30603105 is a wasteful number, since it uses less digits than its factorization.
30603105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52337 (or 52334 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 30603105 is about 5532.0073210364. The cubic root of 30603105 is about 312.7916594399.
Adding to 30603105 its reverse (50130603), we get a palindrome (80733708).
The spelling of 30603105 in words is "thirty million, six hundred three thousand, one hundred five".
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