Base | Representation |
---|---|
bin | 111001111100… |
… | …1000101011001 |
3 | 2010011111001011 |
4 | 1303321011121 |
5 | 30234133002 |
6 | 3003053521 |
7 | 516141346 |
oct | 163710531 |
9 | 63144034 |
10 | 30380377 |
11 | 16170255 |
12 | a2112a1 |
13 | 63a9171 |
14 | 406b7cd |
15 | 2a018d7 |
hex | 1cf9159 |
30380377 has 12 divisors (see below), whose sum is σ = 32907060. Its totient is φ = 27950336.
The previous prime is 30380369. The next prime is 30380381. The reversal of 30380377 is 77308303.
It can be written as a sum of positive squares in 2 ways, for example, as 25290841 + 5089536 = 5029^2 + 2256^2 .
It is not a de Polignac number, because 30380377 - 23 = 30380369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30380347) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37149 + ... + 37957.
It is an arithmetic number, because the mean of its divisors is an integer number (2742255).
Almost surely, 230380377 is an apocalyptic number.
It is an amenable number.
30380377 is a deficient number, since it is larger than the sum of its proper divisors (2526683).
30380377 is an equidigital number, since it uses as much as digits as its factorization.
30380377 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 920 (or 873 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 31.
The square root of 30380377 is about 5511.8397110221. The cubic root of 30380377 is about 312.0309832534.
The spelling of 30380377 in words is "thirty million, three hundred eighty thousand, three hundred seventy-seven".
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