Base | Representation |
---|---|
bin | 111001001110… |
… | …1110010010111 |
3 | 2002110111002000 |
4 | 1302131302113 |
5 | 30140201143 |
6 | 2551050343 |
7 | 513023166 |
oct | 162356227 |
9 | 62414060 |
10 | 30006423 |
11 | 15a352a7 |
12 | a0709b3 |
13 | 62a7ba5 |
14 | 3db13dd |
15 | 297abd3 |
hex | 1c9dc97 |
30006423 has 16 divisors (see below), whose sum is σ = 44617440. Its totient is φ = 19930752.
The previous prime is 30006413. The next prime is 30006433. The reversal of 30006423 is 32460003.
It is an interprime number because it is at equal distance from previous prime (30006413) and next prime (30006433).
It is not a de Polignac number, because 30006423 - 24 = 30006407 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30006396 and 30006405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30006413) 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, 6015 + ... + 9807.
It is an arithmetic number, because the mean of its divisors is an integer number (2788590).
Almost surely, 230006423 is an apocalyptic number.
30006423 is a deficient number, since it is larger than the sum of its proper divisors (14611017).
30006423 is a wasteful number, since it uses less digits than its factorization.
30006423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4095 (or 4089 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 30006423 is about 5477.8118806691. The cubic root of 30006423 is about 310.7454242956.
Adding to 30006423 its reverse (32460003), we get a palindrome (62466426).
The spelling of 30006423 in words is "thirty million, six thousand, four hundred twenty-three".
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