Base | Representation |
---|---|
bin | 111010000001… |
… | …1100001101011 |
3 | 2010020122201020 |
4 | 1310003201223 |
5 | 30242020042 |
6 | 3004023523 |
7 | 516410136 |
oct | 164034153 |
9 | 63218636 |
10 | 30423147 |
11 | 1619a3a7 |
12 | a231ba3 |
13 | 63c2781 |
14 | 407d21d |
15 | 2a0e3ec |
hex | 1d0386b |
30423147 has 8 divisors (see below), whose sum is σ = 41427456. Its totient is φ = 19850472.
The previous prime is 30423143. The next prime is 30423157. The reversal of 30423147 is 74132403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30423147 - 22 = 30423143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30423143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107743 + ... + 108024.
It is an arithmetic number, because the mean of its divisors is an integer number (5178432).
Almost surely, 230423147 is an apocalyptic number.
30423147 is a deficient number, since it is larger than the sum of its proper divisors (11004309).
30423147 is a wasteful number, since it uses less digits than its factorization.
30423147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215817.
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 30423147 is about 5515.7181762668. The cubic root of 30423147 is about 312.1773420619.
The spelling of 30423147 in words is "thirty million, four hundred twenty-three thousand, one hundred forty-seven".
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