Base | Representation |
---|---|
bin | 111001111101… |
… | …1100011100000 |
3 | 2010011222220221 |
4 | 1303323203200 |
5 | 30234443441 |
6 | 3003212424 |
7 | 516213013 |
oct | 163734340 |
9 | 63158827 |
10 | 30390496 |
11 | 16177914 |
12 | a217114 |
13 | 63b0956 |
14 | 407137a |
15 | 2a048d1 |
hex | 1cfb8e0 |
30390496 has 24 divisors (see below), whose sum is σ = 60430104. Its totient is φ = 15043200.
The previous prime is 30390491. The next prime is 30390497. The reversal of 30390496 is 69409303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30390491) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470 + ... + 7933.
It is an arithmetic number, because the mean of its divisors is an integer number (2517921).
Almost surely, 230390496 is an apocalyptic number.
It is an amenable number.
30390496 is a deficient number, since it is larger than the sum of its proper divisors (30039608).
30390496 is a wasteful number, since it uses less digits than its factorization.
30390496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9514 (or 9506 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 34.
The square root of 30390496 is about 5512.7575676788. The cubic root of 30390496 is about 312.0656228392.
Adding to 30390496 its reverse (69409303), we get a palindrome (99799799).
The spelling of 30390496 in words is "thirty million, three hundred ninety thousand, four hundred ninety-six".
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