Base | Representation |
---|---|
bin | 111011000000… |
… | …0111111100000 |
3 | 2011012202122220 |
4 | 1312000333200 |
5 | 30404441211 |
6 | 3023031040 |
7 | 523650333 |
oct | 166007740 |
9 | 64182586 |
10 | 30937056 |
11 | 16510517 |
12 | a43b480 |
13 | 6542667 |
14 | 417461a |
15 | 2ab1806 |
hex | 1d80fe0 |
30937056 has 24 divisors (see below), whose sum is σ = 81210024. Its totient is φ = 10312320.
The previous prime is 30937051. The next prime is 30937057. The reversal of 30937056 is 65073903.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30937051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161035 + ... + 161226.
It is an arithmetic number, because the mean of its divisors is an integer number (3383751).
Almost surely, 230937056 is an apocalyptic number.
It is an amenable number.
30937056 is an abundant number, since it is smaller than the sum of its proper divisors (50272968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30937056 is a wasteful number, since it uses less digits than its factorization.
30937056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322274 (or 322266 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 33.
The square root of 30937056 is about 5562.1089525467. The cubic root of 30937056 is about 313.9253071287.
The spelling of 30937056 in words is "thirty million, nine hundred thirty-seven thousand, fifty-six".
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