Base | Representation |
---|---|
bin | 111010100100… |
… | …1001000101001 |
3 | 2010210010211011 |
4 | 1311021020221 |
5 | 30330131030 |
6 | 3014103521 |
7 | 522005320 |
oct | 165111051 |
9 | 63703734 |
10 | 30708265 |
11 | 16374635 |
12 | a34aba1 |
13 | 6492493 |
14 | 41150b7 |
15 | 2a68b2a |
hex | 1d49229 |
30708265 has 8 divisors (see below), whose sum is σ = 42114240. Its totient is φ = 21057072.
The previous prime is 30708241. The next prime is 30708283. The reversal of 30708265 is 56280703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30708265 - 217 = 30577193 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438655 + ... + 438724.
It is an arithmetic number, because the mean of its divisors is an integer number (5264280).
Almost surely, 230708265 is an apocalyptic number.
30708265 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30708265 is a deficient number, since it is larger than the sum of its proper divisors (11405975).
30708265 is an equidigital number, since it uses as much as digits as its factorization.
30708265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 877391.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 30708265 is about 5541.5038572575. The cubic root of 30708265 is about 313.1495268987.
Adding to 30708265 its reverse (56280703), we get a palindrome (86988968).
The spelling of 30708265 in words is "thirty million, seven hundred eight thousand, two hundred sixty-five".
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