Search a number
-
+
194920684 = 22731224563
BaseRepresentation
bin10111001111001…
…00000011101100
3111120202222220121
423213210003230
5344344430214
631201454324
74554540610
oct1347440354
9446688817
10194920684
11a0033882
12553413a4
13314c93aa
141bc5d340
15121a4424
hexb9e40ec

194920684 has 24 divisors (see below), whose sum is σ = 402418688. Its totient is φ = 80842320.

The previous prime is 194920669. The next prime is 194920711. The reversal of 194920684 is 486029491.

194920684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 194920684.

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, 111414 + ... + 113149.

Almost surely, 2194920684 is an apocalyptic number.

194920684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

194920684 is an abundant number, since it is smaller than the sum of its proper divisors (207498004).

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

194920684 is a wasteful number, since it uses less digits than its factorization.

194920684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224605 (or 224603 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 194920684 is about 13961.3997865544. The cubic root of 194920684 is about 579.8103660668.

The spelling of 194920684 in words is "one hundred ninety-four million, nine hundred twenty thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 224563 449126 898252 1571941 3143882 6287764 6961453 13922906 27845812 48730171 97460342 194920684