Base | Representation |
---|---|
bin | 111010001011… |
… | …0110110101011 |
3 | 2010101200022101 |
4 | 1310112312223 |
5 | 30302033230 |
6 | 3005434231 |
7 | 520160014 |
oct | 164266653 |
9 | 63350271 |
10 | 30502315 |
11 | 16243928 |
12 | a26b977 |
13 | 641c80c |
14 | 40a000b |
15 | 2a27aca |
hex | 1d16dab |
30502315 has 8 divisors (see below), whose sum is σ = 38529360. Its totient is φ = 23117472.
The previous prime is 30502313. The next prime is 30502321. The reversal of 30502315 is 51320503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30502315 - 21 = 30502313 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 30502292 and 30502301.
It is not an unprimeable number, because it can be changed into a prime (30502313) 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, 160444 + ... + 160633.
It is an arithmetic number, because the mean of its divisors is an integer number (4816170).
Almost surely, 230502315 is an apocalyptic number.
30502315 is a deficient number, since it is larger than the sum of its proper divisors (8027045).
30502315 is a wasteful number, since it uses less digits than its factorization.
30502315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 321101.
The product of its (nonzero) digits is 450, while the sum is 19.
The square root of 30502315 is about 5522.8900948688. The cubic root of 30502315 is about 312.4478931788.
Adding to 30502315 its reverse (51320503), we get a palindrome (81822818).
The spelling of 30502315 in words is "thirty million, five hundred two thousand, three hundred fifteen".
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