Search a number
-
+
193928382 = 23222348313
BaseRepresentation
bin10111000111100…
…01110010111110
3111111220120201200
423203301302332
5344121202012
631124320330
74543235604
oct1343616276
9444816650
10193928382
119a51629a
1254b430a6
133123c82b
141ba81874
151205a3dc
hexb8f1cbe

193928382 has 24 divisors (see below), whose sum is σ = 422071104. Its totient is φ = 64351584.

The previous prime is 193928381. The next prime is 193928389. The reversal of 193928382 is 283829391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193928381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20143 + ... + 28170.

It is an arithmetic number, because the mean of its divisors is an integer number (17586296).

Almost surely, 2193928382 is an apocalyptic number.

193928382 is an abundant number, since it is smaller than the sum of its proper divisors (228142722).

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

193928382 is a wasteful number, since it uses less digits than its factorization.

193928382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48544 (or 48541 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 193928382 is about 13925.8171034952. The cubic root of 193928382 is about 578.8247923966.

The spelling of 193928382 in words is "one hundred ninety-three million, nine hundred twenty-eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 18 223 446 669 1338 2007 4014 48313 96626 144939 289878 434817 869634 10773799 21547598 32321397 64642794 96964191 193928382