Search a number
-
+
1152181386 = 23268393719
BaseRepresentation
bin100010010101100…
…1110010010001010
32222022000212201200
41010223032102022
54324424301021
6310155125030
740360244256
oct10453162212
92868025650
101152181386
11541415a24
12281a43776
13154920c45
14ad043266
156b242126
hex44ace48a

1152181386 has 24 divisors (see below), whose sum is σ = 2500074720. Its totient is φ = 383494056.

The previous prime is 1152181367. The next prime is 1152181417. The reversal of 1152181386 is 6831812511.

It is a self number, because there is not a number n which added to its sum of digits gives 1152181386.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 34566 + ... + 59153.

It is an arithmetic number, because the mean of its divisors is an integer number (104169780).

Almost surely, 21152181386 is an apocalyptic number.

1152181386 is an abundant number, since it is smaller than the sum of its proper divisors (1347893334).

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

1152181386 is a wasteful number, since it uses less digits than its factorization.

1152181386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94410 (or 94407 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1152181386 is about 33943.7974599189. The cubic root of 1152181386 is about 1048.3515739858.

Adding to 1152181386 its reverse (6831812511), we get a palindrome (7983993897).

The spelling of 1152181386 in words is "one billion, one hundred fifty-two million, one hundred eighty-one thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 683 1366 2049 4098 6147 12294 93719 187438 281157 562314 843471 1686942 64010077 128020154 192030231 384060462 576090693 1152181386