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850930 = 2585093
BaseRepresentation
bin11001111101111110010
31121020020221
43033233302
5204212210
630123254
710142563
oct3175762
91536227
10850930
11531353
1235052a
1323a412
1418216a
1511c1da
hexcfbf2

850930 has 8 divisors (see below), whose sum is σ = 1531692. Its totient is φ = 340368.

The previous prime is 850897. The next prime is 850933. The reversal of 850930 is 39058.

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 24649 = 909^2 + 157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 850895 and 850904.

It is not an unprimeable number, because it can be changed into a prime (850933) by changing a digit.

850930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42537 + ... + 42556.

2850930 is an apocalyptic number.

850930 is a deficient number, since it is larger than the sum of its proper divisors (680762).

850930 is a wasteful number, since it uses less digits than its factorization.

850930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85100.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 850930 is about 922.4586711609. The cubic root of 850930 is about 94.7613585564.

Adding to 850930 its reverse (39058), we get a palindrome (889988).

The spelling of 850930 in words is "eight hundred fifty thousand, nine hundred thirty".

Divisors: 1 2 5 10 85093 170186 425465 850930