Base | Representation |
---|---|
bin | 111001110011… |
… | …0001100111100 |
3 | 2010000112221200 |
4 | 1303212030330 |
5 | 30224144121 |
6 | 3001255500 |
7 | 515400021 |
oct | 163461474 |
9 | 63015850 |
10 | 30303036 |
11 | 16118135 |
12 | a194590 |
13 | 637cbba |
14 | 404b548 |
15 | 29d8a26 |
hex | 1ce633c |
30303036 has 18 divisors (see below), whose sum is σ = 76599432. Its totient is φ = 10101000.
The previous prime is 30303017. The next prime is 30303067. The reversal of 30303036 is 63030303.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an alternating number because its digits alternate between odd and even.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420840 + ... + 420911.
It is an arithmetic number, because the mean of its divisors is an integer number (4255524).
Almost surely, 230303036 is an apocalyptic number.
30303036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30303036 is an abundant number, since it is smaller than the sum of its proper divisors (46296396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30303036 is a wasteful number, since it uses less digits than its factorization.
30303036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 841761 (or 841756 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 18.
The square root of 30303036 is about 5504.8193430847. The cubic root of 30303036 is about 311.7659734192.
Adding to 30303036 its reverse (63030303), we get a palindrome (93333339).
The spelling of 30303036 in words is "thirty million, three hundred three thousand, thirty-six".
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