Base | Representation |
---|---|
bin | 101111110110100… |
… | …011100010101001 |
3 | 2001221200000102011 |
4 | 233312203202221 |
5 | 3121011034010 |
6 | 211355235521 |
7 | 25615642501 |
oct | 5766434251 |
9 | 2057600364 |
10 | 802830505 |
11 | 3821a4494 |
12 | 1a4a48ba1 |
13 | ca434349 |
14 | 788a4a01 |
15 | 4a735a8a |
hex | 2fda38a9 |
802830505 has 8 divisors (see below), whose sum is σ = 964625472. Its totient is φ = 641445168.
The previous prime is 802830493. The next prime is 802830533. The reversal of 802830505 is 505038208.
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 802830505 - 213 = 802822313 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98077 + ... + 105946.
It is an arithmetic number, because the mean of its divisors is an integer number (120578184).
Almost surely, 2802830505 is an apocalyptic number.
It is an amenable number.
802830505 is a deficient number, since it is larger than the sum of its proper divisors (161794967).
802830505 is a wasteful number, since it uses less digits than its factorization.
802830505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204815.
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 802830505 is about 28334.2637984473. The cubic root of 802830505 is about 929.4113147295.
The spelling of 802830505 in words is "eight hundred two million, eight hundred thirty thousand, five hundred five".
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