Base | Representation |
---|---|
bin | 111011000111… |
… | …1011100110111 |
3 | 2011022202220100 |
4 | 1312033130313 |
5 | 30413340104 |
6 | 3024205143 |
7 | 524315106 |
oct | 166173467 |
9 | 64282810 |
10 | 30996279 |
11 | 16550a66 |
12 | a4697b3 |
13 | 65635c2 |
14 | 418c03d |
15 | 2ac4139 |
hex | 1d8f737 |
30996279 has 6 divisors (see below), whose sum is σ = 44772416. Its totient is φ = 20664180.
The previous prime is 30996271. The next prime is 30996281. The reversal of 30996279 is 97269903.
It is not a de Polignac number, because 30996279 - 23 = 30996271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30996271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1722007 + ... + 1722024.
Almost surely, 230996279 is an apocalyptic number.
30996279 is a deficient number, since it is larger than the sum of its proper divisors (13776137).
30996279 is a wasteful number, since it uses less digits than its factorization.
30996279 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3444037 (or 3444034 counting only the distinct ones).
The product of its (nonzero) digits is 183708, while the sum is 45.
The square root of 30996279 is about 5567.4301971376. The cubic root of 30996279 is about 314.1254958358.
The spelling of 30996279 in words is "thirty million, nine hundred ninety-six thousand, two hundred seventy-nine".
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