Search a number
-
+
194931112 = 23176123497
BaseRepresentation
bin10111001111001…
…10100110101000
3111120210112012211
423213212212220
5344400243422
631202014504
74554613165
oct1347464650
9446715184
10194931112
11a00406a2
1255347434
133150106c
141bc6306c
15121a7577
hexb9e69a8

194931112 has 32 divisors (see below), whose sum is σ = 393356520. Its totient is φ = 90224640.

The previous prime is 194931101. The next prime is 194931151. The reversal of 194931112 is 211139491.

It can be written as a sum of positive squares in 4 ways, for example, as 166564836 + 28366276 = 12906^2 + 5326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3453 + ... + 20044.

Almost surely, 2194931112 is an apocalyptic number.

It is an amenable number.

194931112 is an abundant number, since it is smaller than the sum of its proper divisors (198425408).

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

194931112 is a wasteful number, since it uses less digits than its factorization.

194931112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23581 (or 23577 counting only the distinct ones).

The product of its digits is 1944, while the sum is 31.

The square root of 194931112 is about 13961.7732398145. The cubic root of 194931112 is about 579.8207055795.

The spelling of 194931112 in words is "one hundred ninety-four million, nine hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 61 68 122 136 244 488 1037 2074 4148 8296 23497 46994 93988 187976 399449 798898 1433317 1597796 2866634 3195592 5733268 11466536 24366389 48732778 97465556 194931112