Search a number
-
+
80885625 = 354179241
BaseRepresentation
bin1001101001000…
…11011101111001
312122012102012220
410310203131321
5131201320000
612005354253
72001342102
oct464433571
9178172186
1080885625
1141726627
1223108989
13139b0522
14aa573a9
15717b1a0
hex4d23779

80885625 has 40 divisors (see below), whose sum is σ = 136081440. Its totient is φ = 42720000.

The previous prime is 80885621. The next prime is 80885627. The reversal of 80885625 is 52658808.

It is not a de Polignac number, because 80885625 - 22 = 80885621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80885621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 335505 + ... + 335745.

It is an arithmetic number, because the mean of its divisors is an integer number (3402036).

Almost surely, 280885625 is an apocalyptic number.

It is an amenable number.

80885625 is a deficient number, since it is larger than the sum of its proper divisors (55195815).

80885625 is a wasteful number, since it uses less digits than its factorization.

80885625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 80885625 is about 8993.6435886686. The cubic root of 80885625 is about 432.4711241817.

The spelling of 80885625 in words is "eighty million, eight hundred eighty-five thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 179 241 375 537 625 723 895 1205 1875 2685 3615 4475 6025 13425 18075 22375 30125 43139 67125 90375 111875 129417 150625 215695 335625 451875 647085 1078475 3235425 5392375 16177125 26961875 80885625