Base | Representation |
---|---|
bin | 111001111000… |
… | …0101110011111 |
3 | 2010002202002020 |
4 | 1303300232133 |
5 | 30232034033 |
6 | 3002231223 |
7 | 515636502 |
oct | 163605637 |
9 | 63082066 |
10 | 30346143 |
11 | 16147563 |
12 | a1b5513 |
13 | 63966c9 |
14 | 405d139 |
15 | 29e66b3 |
hex | 1cf0b9f |
30346143 has 4 divisors (see below), whose sum is σ = 40461528. Its totient is φ = 20230760.
The previous prime is 30346133. The next prime is 30346187. The reversal of 30346143 is 34164303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30346143 - 25 = 30346111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30346123) 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, 5057688 + ... + 5057693.
It is an arithmetic number, because the mean of its divisors is an integer number (10115382).
Almost surely, 230346143 is an apocalyptic number.
30346143 is a deficient number, since it is larger than the sum of its proper divisors (10115385).
30346143 is a wasteful number, since it uses less digits than its factorization.
30346143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10115384.
The product of its (nonzero) digits is 2592, while the sum is 24.
The square root of 30346143 is about 5508.7333389809. The cubic root of 30346143 is about 311.9137356021.
The spelling of 30346143 in words is "thirty million, three hundred forty-six thousand, one hundred forty-three".
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