Base | Representation |
---|---|
bin | 111001010111… |
… | …1101010000000 |
3 | 2002121012110212 |
4 | 1302233222000 |
5 | 30200021431 |
6 | 2552413252 |
7 | 513446450 |
oct | 162575200 |
9 | 62535425 |
10 | 30079616 |
11 | 15a85296 |
12 | a0a7228 |
13 | 63022b8 |
14 | 3dcdd60 |
15 | 299272b |
hex | 1cafa80 |
30079616 has 64 divisors (see below), whose sum is σ = 69768000. Its totient is φ = 12650496.
The previous prime is 30079571. The next prime is 30079619. The reversal of 30079616 is 61697003.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (30079619) 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, 52580 + ... + 53148.
It is an arithmetic number, because the mean of its divisors is an integer number (1090125).
Almost surely, 230079616 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 30079616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34884000).
30079616 is an abundant number, since it is smaller than the sum of its proper divisors (39688384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30079616 is an equidigital number, since it uses as much as digits as its factorization.
30079616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649 (or 637 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 32.
The square root of 30079616 is about 5484.4886726111. The cubic root of 30079616 is about 310.9978804872.
The spelling of 30079616 in words is "thirty million, seventy-nine thousand, six hundred sixteen".
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