Base | Representation |
---|---|
bin | 111010111100… |
… | …0101101000010 |
3 | 2011011001002111 |
4 | 1311320231002 |
5 | 30402344411 |
6 | 3022205534 |
7 | 523446343 |
oct | 165705502 |
9 | 64131074 |
10 | 30903106 |
11 | 16497a63 |
12 | a4238aa |
13 | 6530080 |
14 | 41660ca |
15 | 2aa6721 |
hex | 1d78b42 |
30903106 has 8 divisors (see below), whose sum is σ = 49920444. Its totient is φ = 14262960.
The previous prime is 30903077. The next prime is 30903109. The reversal of 30903106 is 60130903.
It can be written as a sum of positive squares in 2 ways, for example, as 30902481 + 625 = 5559^2 + 25^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30903109) 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 3 ways as a sum of consecutive naturals, for example, 594265 + ... + 594316.
Almost surely, 230903106 is an apocalyptic number.
30903106 is a deficient number, since it is larger than the sum of its proper divisors (19017338).
30903106 is a wasteful number, since it uses less digits than its factorization.
30903106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1188596.
The product of its (nonzero) digits is 486, while the sum is 22.
The square root of 30903106 is about 5559.0562148624. The cubic root of 30903106 is about 313.8104323204.
The spelling of 30903106 in words is "thirty million, nine hundred three thousand, one hundred six".
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