Base | Representation |
---|---|
bin | 111010011011… |
… | …1110000000000 |
3 | 2010122112010210 |
4 | 1310313300000 |
5 | 30320341211 |
6 | 3012354120 |
7 | 521260602 |
oct | 164676000 |
9 | 63575123 |
10 | 30637056 |
11 | 1632608a |
12 | a315940 |
13 | 6468c48 |
14 | 40d7172 |
15 | 2a529a6 |
hex | 1d37c00 |
30637056 has 44 divisors (see below), whose sum is σ = 81667112. Its totient is φ = 10211328.
The previous prime is 30637051. The next prime is 30637097. The reversal of 30637056 is 65073603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30637051) by changing a digit.
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, 1915 + ... + 8058.
Almost surely, 230637056 is an apocalyptic number.
It is an amenable number.
30637056 is an abundant number, since it is smaller than the sum of its proper divisors (51030056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30637056 is an equidigital number, since it uses as much as digits as its factorization.
30637056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9996 (or 9978 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 30.
The square root of 30637056 is about 5535.0750672416. The cubic root of 30637056 is about 312.9072867587.
The spelling of 30637056 in words is "thirty million, six hundred thirty-seven thousand, fifty-six".
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