Search a number
-
+
380147922 = 232711274277
BaseRepresentation
bin10110101010001…
…001100011010010
3222111022111220200
4112222021203102
51234304213142
6101415520030
712264126660
oct2652114322
9874274820
10380147922
11185646840
12a7389016
13609b05cb
14386b7c30
152359164c
hex16a898d2

380147922 has 48 divisors (see below), whose sum is σ = 1026896832. Its totient is φ = 98739360.

The previous prime is 380147881. The next prime is 380147923. The reversal of 380147922 is 229741083.

It is not an unprimeable number, because it can be changed into a prime (380147923) 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 23 ways as a sum of consecutive naturals, for example, 135753 + ... + 138524.

It is an arithmetic number, because the mean of its divisors is an integer number (21393684).

Almost surely, 2380147922 is an apocalyptic number.

380147922 is an abundant number, since it is smaller than the sum of its proper divisors (646748910).

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

380147922 is a wasteful number, since it uses less digits than its factorization.

380147922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274303 (or 274300 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 380147922 is about 19497.3824397020. The cubic root of 380147922 is about 724.4096165542.

The spelling of 380147922 in words is "three hundred eighty million, one hundred forty-seven thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 274277 548554 822831 1645662 1919939 2468493 3017047 3839878 4936986 5759817 6034094 9051141 11519634 17279451 18102282 21119329 27153423 34558902 42238658 54306846 63357987 126715974 190073961 380147922