Base | Representation |
---|---|
bin | 111010110000… |
… | …1010101011010 |
3 | 2010222011210022 |
4 | 1311201111122 |
5 | 30341314021 |
6 | 3020150442 |
7 | 522600311 |
oct | 165412532 |
9 | 63864708 |
10 | 30807386 |
11 | 16432055 |
12 | a398422 |
13 | 64c862c |
14 | 413d278 |
15 | 2a881ab |
hex | 1d6155a |
30807386 has 8 divisors (see below), whose sum is σ = 46378740. Its totient is φ = 15347808.
The previous prime is 30807377. The next prime is 30807407. The reversal of 30807386 is 68370803.
It can be written as a sum of positive squares in 2 ways, for example, as 27762361 + 3045025 = 5269^2 + 1745^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27251 + ... + 28358.
Almost surely, 230807386 is an apocalyptic number.
30807386 is a deficient number, since it is larger than the sum of its proper divisors (15571354).
30807386 is a wasteful number, since it uses less digits than its factorization.
30807386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55888.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 30807386 is about 5550.4401627258. The cubic root of 30807386 is about 313.4860959742.
The spelling of 30807386 in words is "thirty million, eight hundred seven thousand, three hundred eighty-six".
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