Base | Representation |
---|---|
bin | 111001110010… |
… | …1101001101100 |
3 | 2010000102212010 |
4 | 1303211221230 |
5 | 30224111110 |
6 | 3001241220 |
7 | 515360316 |
oct | 163455154 |
9 | 63012763 |
10 | 30300780 |
11 | 16116474 |
12 | a193210 |
13 | 637bb73 |
14 | 404a7b6 |
15 | 29d8020 |
hex | 1ce5a6c |
30300780 has 48 divisors (see below), whose sum is σ = 87141600. Its totient is φ = 7861248.
The previous prime is 30300773. The next prime is 30300791. The reversal of 30300780 is 8700303.
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, 4605 + ... + 9044.
It is an arithmetic number, because the mean of its divisors is an integer number (1815450).
Almost surely, 230300780 is an apocalyptic number.
30300780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30300780 is an abundant number, since it is smaller than the sum of its proper divisors (56840820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30300780 is a wasteful number, since it uses less digits than its factorization.
30300780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13698 (or 13696 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 30300780 is about 5504.6144279141. The cubic root of 30300780 is about 311.7582364443.
The spelling of 30300780 in words is "thirty million, three hundred thousand, seven hundred eighty".
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