Base | Representation |
---|---|
bin | 111001110111… |
… | …1101111100101 |
3 | 2010002112120010 |
4 | 1303233233211 |
5 | 30231421432 |
6 | 3002200433 |
7 | 515621661 |
oct | 163575745 |
9 | 63075503 |
10 | 30342117 |
11 | 16144533 |
12 | a1b3119 |
13 | 6394920 |
14 | 405b8a1 |
15 | 29e53cc |
hex | 1cefbe5 |
30342117 has 16 divisors (see below), whose sum is σ = 44005248. Its totient is φ = 18484800.
The previous prime is 30342113. The next prime is 30342121. The reversal of 30342117 is 71124303.
It is an interprime number because it is at equal distance from previous prime (30342113) and next prime (30342121).
It is not a de Polignac number, because 30342117 - 22 = 30342113 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30342093 and 30342102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30342113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88 + ... + 7790.
It is an arithmetic number, because the mean of its divisors is an integer number (2750328).
Almost surely, 230342117 is an apocalyptic number.
It is an amenable number.
30342117 is a deficient number, since it is larger than the sum of its proper divisors (13663131).
30342117 is a wasteful number, since it uses less digits than its factorization.
30342117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7820.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 30342117 is about 5508.3679071028. The cubic root of 30342117 is about 311.8999412050.
It can be divided in two parts, 3034 and 2117, that added together give a triangular number (5151 = T101).
The spelling of 30342117 in words is "thirty million, three hundred forty-two thousand, one hundred seventeen".
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