Base | Representation |
---|---|
bin | 111001011111… |
… | …1101100101111 |
3 | 2002201112121121 |
4 | 1302333230233 |
5 | 30204122302 |
6 | 2554041411 |
7 | 514142152 |
oct | 162775457 |
9 | 62645547 |
10 | 30145327 |
11 | 1601a6a3 |
12 | a119267 |
13 | 6326194 |
14 | 4009c99 |
15 | 29a6e37 |
hex | 1cbfb2f |
30145327 has 4 divisors (see below), whose sum is σ = 30375576. Its totient is φ = 29915080.
The previous prime is 30145321. The next prime is 30145333. The reversal of 30145327 is 72354103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72354103 = 47 ⋅1539449.
It is an interprime number because it is at equal distance from previous prime (30145321) and next prime (30145333).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30145327 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30145321) 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, 114928 + ... + 115189.
It is an arithmetic number, because the mean of its divisors is an integer number (7593894).
Almost surely, 230145327 is an apocalyptic number.
30145327 is a deficient number, since it is larger than the sum of its proper divisors (230249).
30145327 is a wasteful number, since it uses less digits than its factorization.
30145327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230248.
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 30145327 is about 5490.4760267212. The cubic root of 30145327 is about 311.2241812317.
The spelling of 30145327 in words is "thirty million, one hundred forty-five thousand, three hundred twenty-seven".
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