Base | Representation |
---|---|
bin | 111001011001… |
… | …0010011100110 |
3 | 2002121202100212 |
4 | 1302302103212 |
5 | 30200343340 |
6 | 2552535422 |
7 | 513523214 |
oct | 162622346 |
9 | 62552325 |
10 | 30090470 |
11 | 15a92463 |
12 | a0b1572 |
13 | 6307217 |
14 | 3dd3cb4 |
15 | 2995a65 |
hex | 1cb24e6 |
30090470 has 16 divisors (see below), whose sum is σ = 54271728. Its totient is φ = 12012000.
The previous prime is 30090461. The next prime is 30090517. The reversal of 30090470 is 7409003.
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 7 ways as a sum of consecutive naturals, for example, 2720 + ... + 8220.
It is an arithmetic number, because the mean of its divisors is an integer number (3391983).
Almost surely, 230090470 is an apocalyptic number.
30090470 is a deficient number, since it is larger than the sum of its proper divisors (24181258).
30090470 is a wasteful number, since it uses less digits than its factorization.
30090470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6055.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 30090470 is about 5485.4781013144. The cubic root of 30090470 is about 311.0352830598.
Adding to 30090470 its reverse (7409003), we get a palindrome (37499473).
The spelling of 30090470 in words is "thirty million, ninety thousand, four hundred seventy".
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