Base | Representation |
---|---|
bin | 111010001111… |
… | …1110111011011 |
3 | 2010110112221111 |
4 | 1310133313123 |
5 | 30304223402 |
6 | 3010321151 |
7 | 520402435 |
oct | 164376733 |
9 | 63415844 |
10 | 30539227 |
11 | 16269634 |
12 | a2891b7 |
13 | 6433564 |
14 | 40ad655 |
15 | 2a339d7 |
hex | 1d1fddb |
30539227 has 4 divisors (see below), whose sum is σ = 30562056. Its totient is φ = 30516400.
The previous prime is 30539221. The next prime is 30539231. The reversal of 30539227 is 72293503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72293503 = 17 ⋅4252559.
It is a cyclic number.
It is not a de Polignac number, because 30539227 - 211 = 30537179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30539221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9274 + ... + 12127.
It is an arithmetic number, because the mean of its divisors is an integer number (7640514).
Almost surely, 230539227 is an apocalyptic number.
30539227 is a deficient number, since it is larger than the sum of its proper divisors (22829).
30539227 is a wasteful number, since it uses less digits than its factorization.
30539227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22828.
The product of its (nonzero) digits is 11340, while the sum is 31.
The square root of 30539227 is about 5526.2308131311. The cubic root of 30539227 is about 312.5738773601.
The spelling of 30539227 in words is "thirty million, five hundred thirty-nine thousand, two hundred twenty-seven".
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