Base | Representation |
---|---|
bin | 111001101011… |
… | …1010101111011 |
3 | 2002220110110102 |
4 | 1303113111323 |
5 | 30220222141 |
6 | 3000110015 |
7 | 515024411 |
oct | 163272573 |
9 | 62813412 |
10 | 30242171 |
11 | 16086433 |
12 | a16530b |
13 | 635b29b |
14 | 40332b1 |
15 | 29c599b |
hex | 1cd757b |
30242171 has 8 divisors (see below), whose sum is σ = 32153760. Its totient is φ = 28380352.
The previous prime is 30242131. The next prime is 30242189. The reversal of 30242171 is 17124203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30242171 - 214 = 30225787 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30242131) 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 7 ways as a sum of consecutive naturals, for example, 11186 + ... + 13623.
It is an arithmetic number, because the mean of its divisors is an integer number (4019220).
Almost surely, 230242171 is an apocalyptic number.
30242171 is a deficient number, since it is larger than the sum of its proper divisors (1911589).
30242171 is a wasteful number, since it uses less digits than its factorization.
30242171 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24885.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 30242171 is about 5499.2882266708. The cubic root of 30242171 is about 311.5571015575.
Adding to 30242171 its reverse (17124203), we get a palindrome (47366374).
The spelling of 30242171 in words is "thirty million, two hundred forty-two thousand, one hundred seventy-one".
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