Base | Representation |
---|---|
bin | 1010001000100… |
… | …00010100111010 |
3 | 12220221112011211 |
4 | 11010100110322 |
5 | 133230022110 |
6 | 12233513334 |
7 | 2051333605 |
oct | 504202472 |
9 | 186845154 |
10 | 85001530 |
11 | 43a879a9 |
12 | 2457284a |
13 | 147c1a83 |
14 | b40933c |
15 | 76e098a |
hex | 511053a |
85001530 has 16 divisors (see below), whose sum is σ = 162003240. Its totient is φ = 32000512.
The previous prime is 85001461. The next prime is 85001533. The reversal of 85001530 is 3510058.
It can be written as a sum of positive squares in 4 ways, for example, as 72063121 + 12938409 = 8489^2 + 3597^2 .
85001530 is a modest number, since divided by 1530 gives 850 as remainder.
It is not an unprimeable number, because it can be changed into a prime (85001533) 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, 249835 + ... + 250174.
Almost surely, 285001530 is an apocalyptic number.
85001530 is a deficient number, since it is larger than the sum of its proper divisors (77001710).
85001530 is a wasteful number, since it uses less digits than its factorization.
85001530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500033.
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 85001530 is about 9219.6274328196. The cubic root of 85001530 is about 439.6856052978.
Adding to 85001530 its reverse (3510058), we get a palindrome (88511588).
The spelling of 85001530 in words is "eighty-five million, one thousand, five hundred thirty".
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