Base | Representation |
---|---|
bin | 111001101010… |
… | …1011100110101 |
3 | 2002220001211101 |
4 | 1303111130311 |
5 | 30220000141 |
6 | 3000010101 |
7 | 514663000 |
oct | 163253465 |
9 | 62801741 |
10 | 30234421 |
11 | 16080628 |
12 | a160931 |
13 | 63578b9 |
14 | 4030537 |
15 | 29c3531 |
hex | 1cd5735 |
30234421 has 16 divisors (see below), whose sum is σ = 35526400. Its totient is φ = 25719120.
The previous prime is 30234389. The next prime is 30234437. The reversal of 30234421 is 12443203.
It is not a de Polignac number, because 30234421 - 25 = 30234389 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30234521) 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, 61840 + ... + 62326.
It is an arithmetic number, because the mean of its divisors is an integer number (2220400).
Almost surely, 230234421 is an apocalyptic number.
It is an amenable number.
30234421 is a deficient number, since it is larger than the sum of its proper divisors (5291979).
30234421 is an equidigital number, since it uses as much as digits as its factorization.
30234421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 689 (or 675 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 30234421 is about 5498.5835448777. The cubic root of 30234421 is about 311.5304855910.
Adding to 30234421 its reverse (12443203), we get a palindrome (42677624).
The spelling of 30234421 in words is "thirty million, two hundred thirty-four thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •