Base | Representation |
---|---|
bin | 111010101100… |
… | …0100001001010 |
3 | 2010220100020211 |
4 | 1311120201022 |
5 | 30334140044 |
6 | 3015311334 |
7 | 522360112 |
oct | 165304112 |
9 | 63810224 |
10 | 30771274 |
11 | 16407a06 |
12 | a37b54a |
13 | 64b5071 |
14 | 4130042 |
15 | 2a7c634 |
hex | 1d5884a |
30771274 has 8 divisors (see below), whose sum is σ = 46588608. Its totient is φ = 15241740.
The previous prime is 30771271. The next prime is 30771277. The reversal of 30771274 is 47217703.
It is an interprime number because it is at equal distance from previous prime (30771271) and next prime (30771277).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30771271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71682 + ... + 72109.
It is an arithmetic number, because the mean of its divisors is an integer number (5823576).
Almost surely, 230771274 is an apocalyptic number.
30771274 is a deficient number, since it is larger than the sum of its proper divisors (15817334).
30771274 is a wasteful number, since it uses less digits than its factorization.
30771274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143900.
The product of its (nonzero) digits is 8232, while the sum is 31.
The square root of 30771274 is about 5547.1861335275. The cubic root of 30771274 is about 313.3635600335.
Adding to 30771274 its reverse (47217703), we get a palindrome (77988977).
The spelling of 30771274 in words is "thirty million, seven hundred seventy-one thousand, two hundred seventy-four".
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