Base | Representation |
---|---|
bin | 11100010101111110001110 |
3 | 111222111002022 |
4 | 130111332032 |
5 | 3400230110 |
6 | 423130142 |
7 | 120103616 |
oct | 34257616 |
9 | 14874068 |
10 | 7430030 |
11 | 4215323 |
12 | 25a3952 |
13 | 1701b8a |
14 | db5a46 |
15 | 9bb755 |
hex | 715f8e |
7430030 has 16 divisors (see below), whose sum is σ = 13433904. Its totient is φ = 2958720.
The previous prime is 7430023. The next prime is 7430039. The reversal of 7430030 is 300347.
It is a junction number, because it is equal to n+sod(n) for n = 7429990 and 7430008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7430039) 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, 869 + ... + 3951.
It is an arithmetic number, because the mean of its divisors is an integer number (839619).
Almost surely, 27430030 is an apocalyptic number.
7430030 is a deficient number, since it is larger than the sum of its proper divisors (6003874).
7430030 is a wasteful number, since it uses less digits than its factorization.
7430030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3331.
The product of its (nonzero) digits is 252, while the sum is 17.
The square root of 7430030 is about 2725.8081370485. The cubic root of 7430030 is about 195.1327607871.
Adding to 7430030 its reverse (300347), we get a palindrome (7730377).
The spelling of 7430030 in words is "seven million, four hundred thirty thousand, thirty".
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