Base | Representation |
---|---|
bin | 10010001101000… |
… | …110100000101110 |
3 | 210021201011112221 |
4 | 102031012200232 |
5 | 1111142040210 |
6 | 50150145554 |
7 | 10366031143 |
oct | 2215064056 |
9 | 707634487 |
10 | 305424430 |
11 | 147449993 |
12 | 863522ba |
13 | 4b379b1c |
14 | 2c7c63ca |
15 | 1bc311da |
hex | 1234682e |
305424430 has 32 divisors (see below), whose sum is σ = 581767200. Its totient is φ = 115126272.
The previous prime is 305424421. The next prime is 305424437. The reversal of 305424430 is 34424503.
It is a junction number, because it is equal to n+sod(n) for n = 305424395 and 305424404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (305424437) 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, 32506 + ... + 40834.
It is an arithmetic number, because the mean of its divisors is an integer number (18180225).
Almost surely, 2305424430 is an apocalyptic number.
305424430 is a deficient number, since it is larger than the sum of its proper divisors (276342770).
305424430 is a wasteful number, since it uses less digits than its factorization.
305424430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8548.
The product of its (nonzero) digits is 5760, while the sum is 25.
The square root of 305424430 is about 17476.3963676726. The cubic root of 305424430 is about 673.4436424075.
Adding to 305424430 its reverse (34424503), we get a palindrome (339848933).
It can be divided in two parts, 3054 and 24430, that multiplied together give a triangular number (74609220 = T12215).
The spelling of 305424430 in words is "three hundred five million, four hundred twenty-four thousand, four hundred thirty".
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