Base | Representation |
---|---|
bin | 111010011000… |
… | …0001011110110 |
3 | 2010120221122011 |
4 | 1310300023312 |
5 | 30313343240 |
6 | 3011554434 |
7 | 521101345 |
oct | 164601366 |
9 | 63527564 |
10 | 30606070 |
11 | 16304880 |
12 | a2bba1a |
13 | 6457b01 |
14 | 40c9b5c |
15 | 2a486ea |
hex | 1d302f6 |
30606070 has 16 divisors (see below), whose sum is σ = 60099408. Its totient is φ = 11129440.
The previous prime is 30606047. The next prime is 30606089. The reversal of 30606070 is 7060603.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
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, 139009 + ... + 139228.
It is an arithmetic number, because the mean of its divisors is an integer number (3756213).
Almost surely, 230606070 is an apocalyptic number.
30606070 is a deficient number, since it is larger than the sum of its proper divisors (29493338).
30606070 is a wasteful number, since it uses less digits than its factorization.
30606070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278255.
The product of its (nonzero) digits is 756, while the sum is 22.
The square root of 30606070 is about 5532.2753004528. The cubic root of 30606070 is about 312.8017607823.
Adding to 30606070 its reverse (7060603), we get a palindrome (37666673).
The spelling of 30606070 in words is "thirty million, six hundred six thousand, seventy".
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