Base | Representation |
---|---|
bin | 111010000111… |
… | …0011010000000 |
3 | 2010022220211210 |
4 | 1310032122000 |
5 | 30244431322 |
6 | 3005010120 |
7 | 516654102 |
oct | 164163200 |
9 | 63286753 |
10 | 30467712 |
11 | 1621a930 |
12 | a253940 |
13 | 6409b42 |
14 | 4091572 |
15 | 2a1c70c |
hex | 1d0e680 |
30467712 has 64 divisors (see below), whose sum is σ = 88299360. Its totient is φ = 9231360.
The previous prime is 30467711. The next prime is 30467729. The reversal of 30467712 is 21776403.
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 30467712.
It is not an unprimeable number, because it can be changed into a prime (30467711) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618 + ... + 7830.
Almost surely, 230467712 is an apocalyptic number.
30467712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30467712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44149680).
30467712 is an abundant number, since it is smaller than the sum of its proper divisors (57831648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30467712 is a wasteful number, since it uses less digits than its factorization.
30467712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7241 (or 7229 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 30.
The square root of 30467712 is about 5519.7565163692. The cubic root of 30467712 is about 312.3296975008.
The spelling of 30467712 in words is "thirty million, four hundred sixty-seven thousand, seven hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •