Search a number
-
+
852385880 = 23521309647
BaseRepresentation
bin110010110011100…
…110000001011000
32012101220200121102
4302303212001120
53221202322010
6220325330532
730060106013
oct6263460130
92171820542
10852385880
113a8171145
121b9566a48
13107795258
14812c437a
154ec73ba5
hex32ce6058

852385880 has 16 divisors (see below), whose sum is σ = 1917868320. Its totient is φ = 340954336.

The previous prime is 852385871. The next prime is 852385883. The reversal of 852385880 is 88583258.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852385883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10654784 + ... + 10654863.

It is an arithmetic number, because the mean of its divisors is an integer number (119866770).

Almost surely, 2852385880 is an apocalyptic number.

It is an amenable number.

852385880 is an abundant number, since it is smaller than the sum of its proper divisors (1065482440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852385880 is a wasteful number, since it uses less digits than its factorization.

852385880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21309658 (or 21309654 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The square root of 852385880 is about 29195.6483058691. The cubic root of 852385880 is about 948.1537105289.

The spelling of 852385880 in words is "eight hundred fifty-two million, three hundred eighty-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 21309647 42619294 85238588 106548235 170477176 213096470 426192940 852385880