Base | Representation |
---|---|
bin | 111010110110… |
… | …0100100000010 |
3 | 2011001111212201 |
4 | 1311230210002 |
5 | 30344302003 |
6 | 3021143414 |
7 | 523151353 |
oct | 165544402 |
9 | 64044781 |
10 | 30853378 |
11 | 16463666 |
12 | a3bab6a |
13 | 651354a |
14 | 4151d2a |
15 | 2a96b1d |
hex | 1d6c902 |
30853378 has 8 divisors (see below), whose sum is σ = 48715920. Its totient is φ = 14614740.
The previous prime is 30853357. The next prime is 30853387. The reversal of 30853378 is 87335803.
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 405928 + ... + 406003.
It is an arithmetic number, because the mean of its divisors is an integer number (6089490).
Almost surely, 230853378 is an apocalyptic number.
30853378 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
30853378 is a deficient number, since it is larger than the sum of its proper divisors (17862542).
30853378 is a wasteful number, since it uses less digits than its factorization.
30853378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 811952.
The product of its (nonzero) digits is 60480, while the sum is 37.
The square root of 30853378 is about 5554.5817124244. The cubic root of 30853378 is about 313.6420183637.
The spelling of 30853378 in words is "thirty million, eight hundred fifty-three thousand, three hundred seventy-eight".
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