Base | Representation |
---|---|
bin | 111010111001… |
… | …1001001111001 |
3 | 2011002212220200 |
4 | 1311303021321 |
5 | 30401133002 |
6 | 3021512413 |
7 | 523323153 |
oct | 165631171 |
9 | 64085820 |
10 | 30880377 |
11 | 16481980 |
12 | a412709 |
13 | 6522918 |
14 | 415bad3 |
15 | 2a9eb1c |
hex | 1d73279 |
30880377 has 24 divisors (see below), whose sum is σ = 51224160. Its totient is φ = 17729280.
The previous prime is 30880373. The next prime is 30880391. The reversal of 30880377 is 77308803.
It is not a de Polignac number, because 30880377 - 22 = 30880373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30880373) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6328 + ... + 10089.
It is an arithmetic number, because the mean of its divisors is an integer number (2134340).
Almost surely, 230880377 is an apocalyptic number.
It is an amenable number.
30880377 is a deficient number, since it is larger than the sum of its proper divisors (20343783).
30880377 is a wasteful number, since it uses less digits than its factorization.
30880377 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16453 (or 16450 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 30880377 is about 5557.0115169936. The cubic root of 30880377 is about 313.7334783870.
The spelling of 30880377 in words is "thirty million, eight hundred eighty thousand, three hundred seventy-seven".
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