Search a number
-
+
200081568 = 25317122599
BaseRepresentation
bin10111110110100…
…00000010100000
3111221111012022110
423323100002200
5402210102233
631504235320
74646444121
oct1373200240
9457435273
10200081568
11a2a39275
125700bb40
13325b547b
141c804048
1512873663
hexbed00a0

200081568 has 48 divisors (see below), whose sum is σ = 556113600. Its totient is φ = 62770176.

The previous prime is 200081561. The next prime is 200081569. The reversal of 200081568 is 865180002.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (200081561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59668 + ... + 62931.

It is an arithmetic number, because the mean of its divisors is an integer number (11585700).

Almost surely, 2200081568 is an apocalyptic number.

It is an amenable number.

200081568 is an abundant number, since it is smaller than the sum of its proper divisors (356032032).

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

200081568 is a wasteful number, since it uses less digits than its factorization.

200081568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122629 (or 122621 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 200081568 is about 14145.0191940485. The cubic root of 200081568 is about 584.8830389299.

The spelling of 200081568 in words is "two hundred million, eighty-one thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 122599 245198 367797 490396 735594 980792 1471188 1961584 2084183 2942376 3923168 4168366 5884752 6252549 8336732 11769504 12505098 16673464 25010196 33346928 50020392 66693856 100040784 200081568