Base | Representation |
---|---|
bin | 111010000010… |
… | …1010011011010 |
3 | 2010021000200211 |
4 | 1310011103122 |
5 | 30242233201 |
6 | 3004121334 |
7 | 516440305 |
oct | 164052332 |
9 | 63230624 |
10 | 30430426 |
11 | 161a4914 |
12 | a23624a |
13 | 63c5b90 |
14 | 4081b3c |
15 | 2a11651 |
hex | 1d054da |
30430426 has 32 divisors (see below), whose sum is σ = 51787008. Its totient is φ = 13305600.
The previous prime is 30430409. The next prime is 30430429. The reversal of 30430426 is 62403403.
It is a junction number, because it is equal to n+sod(n) for n = 30430397 and 30430406.
It is not an unprimeable number, because it can be changed into a prime (30430429) 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, 90130 + ... + 90466.
It is an arithmetic number, because the mean of its divisors is an integer number (1618344).
Almost surely, 230430426 is an apocalyptic number.
30430426 is a deficient number, since it is larger than the sum of its proper divisors (21356582).
30430426 is a wasteful number, since it uses less digits than its factorization.
30430426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 30430426 is about 5516.3779783477. The cubic root of 30430426 is about 312.2022371160.
Adding to 30430426 its reverse (62403403), we get a palindrome (92833829).
The spelling of 30430426 in words is "thirty million, four hundred thirty thousand, four hundred twenty-six".
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