Base | Representation |
---|---|
bin | 111001100001… |
… | …1010010000000 |
3 | 2002202021202001 |
4 | 1303003102000 |
5 | 30210110000 |
6 | 2554233344 |
7 | 514233013 |
oct | 163032200 |
9 | 62667661 |
10 | 30160000 |
11 | 1602a722 |
12 | a125854 |
13 | 632ca70 |
14 | 401137a |
15 | 29ab46a |
hex | 1cc3480 |
30160000 has 160 divisors (see below), whose sum is σ = 83645100. Its totient is φ = 10752000.
The previous prime is 30159979. The next prime is 30160027. The reversal of 30160000 is 6103.
It can be written as a sum of positive squares in 10 ways, for example, as 6110784 + 24049216 = 2472^2 + 4904^2 .
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1039986 + ... + 1040014.
Almost surely, 230160000 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 30160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41822550).
30160000 is an abundant number, since it is smaller than the sum of its proper divisors (53485100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30160000 is an equidigital number, since it uses as much as digits as its factorization.
30160000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76 (or 49 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 30160000 is about 5491.8120870984. The cubic root of 30160000 is about 311.2746683459.
Adding to 30160000 its reverse (6103), we get a palindrome (30166103).
The spelling of 30160000 in words is "thirty million, one hundred sixty thousand".
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