Search a number
-
+
1080287 = 13233613
BaseRepresentation
bin100000111101111011111
32000212212122
410013233133
5234032122
635053155
712116345
oct4075737
92025778
101080287
116786aa
124411bb
132ba930
14201995
15165142
hex107bdf

1080287 has 8 divisors (see below), whose sum is σ = 1214304. Its totient is φ = 953568.

The previous prime is 1080281. The next prime is 1080301. The reversal of 1080287 is 7820801.

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 1080287 - 24 = 1080271 is a prime.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080281) 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, 1508 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (151788).

21080287 is an apocalyptic number.

1080287 is a deficient number, since it is larger than the sum of its proper divisors (134017).

1080287 is a wasteful number, since it uses less digits than its factorization.

1080287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1080287 is about 1039.3685583084. The cubic root of 1080287 is about 102.6076442012.

The spelling of 1080287 in words is "one million, eighty thousand, two hundred eighty-seven".

Divisors: 1 13 23 299 3613 46969 83099 1080287