Base | Representation |
---|---|
bin | 111010000100… |
… | …1011100000000 |
3 | 2010021212221000 |
4 | 1310021130000 |
5 | 30243303420 |
6 | 3004332000 |
7 | 516540546 |
oct | 164113400 |
9 | 63255830 |
10 | 30447360 |
11 | 16206609 |
12 | a244000 |
13 | 64007b8 |
14 | 4087d96 |
15 | 2a16690 |
hex | 1d09700 |
30447360 has 144 divisors (see below), whose sum is σ = 108168480. Its totient is φ = 8110080.
The previous prime is 30447353. The next prime is 30447371. The reversal of 30447360 is 6374403.
It is a tau number, because it is divible by the number of its divisors (144).
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34120 + ... + 35000.
It is an arithmetic number, because the mean of its divisors is an integer number (751170).
Almost surely, 230447360 is an apocalyptic number.
30447360 is a gapful number since it is divisible by the number (30) 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 30447360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54084240).
30447360 is an abundant number, since it is smaller than the sum of its proper divisors (77721120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30447360 is an equidigital number, since it uses as much as digits as its factorization.
30447360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 911 (or 891 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 27.
The square root of 30447360 is about 5517.9126488193. The cubic root of 30447360 is about 312.2601380725.
It can be divided in two parts, 3044 and 7360, that added together give a square (10404 = 1022).
The spelling of 30447360 in words is "thirty million, four hundred forty-seven thousand, three hundred sixty".
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