Base | Representation |
---|---|
bin | 111001101000… |
… | …0101011001000 |
3 | 2002212001222202 |
4 | 1303100223020 |
5 | 30213333411 |
6 | 2555335332 |
7 | 514551650 |
oct | 163205310 |
9 | 62761882 |
10 | 30214856 |
11 | 16067961 |
12 | a151548 |
13 | 634ba19 |
14 | 4027360 |
15 | 29bc83b |
hex | 1cd0ac8 |
30214856 has 32 divisors (see below), whose sum is σ = 65720640. Its totient is φ = 12754368.
The previous prime is 30214837. The next prime is 30214867. The reversal of 30214856 is 65841203.
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, 275 + ... + 7778.
It is an arithmetic number, because the mean of its divisors is an integer number (2053770).
Almost surely, 230214856 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30214856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32860320).
30214856 is an abundant number, since it is smaller than the sum of its proper divisors (35505784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30214856 is a wasteful number, since it uses less digits than its factorization.
30214856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8133 (or 8129 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 30214856 is about 5496.8041624202. The cubic root of 30214856 is about 311.4632729136.
The spelling of 30214856 in words is "thirty million, two hundred fourteen thousand, eight hundred fifty-six".
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