Search a number
-
+
194194284 = 223191193439
BaseRepresentation
bin10111001001100…
…10101101101100
3111112102002110220
423210302231230
5344203204114
631134131340
74545424044
oct1344625554
9445362426
10194194284
119a688049
1255050b50
133130387b
141bb10724
15120ae0a9
hexb932b6c

194194284 has 48 divisors (see below), whose sum is σ = 458895360. Its totient is φ = 63912960.

The previous prime is 194194283. The next prime is 194194289. The reversal of 194194284 is 482491491.

It is a happy number.

It is a super-2 number, since 2×1941942842 = 75422839876545312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194194283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442137 + ... + 442575.

It is an arithmetic number, because the mean of its divisors is an integer number (9560320).

Almost surely, 2194194284 is an apocalyptic number.

It is an amenable number.

194194284 is an abundant number, since it is smaller than the sum of its proper divisors (264701076).

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

194194284 is a wasteful number, since it uses less digits than its factorization.

194194284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 194194284 is about 13935.3609210526. The cubic root of 194194284 is about 579.0892205630.

The spelling of 194194284 in words is "one hundred ninety-four million, one hundred ninety-four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 191 193 382 386 439 573 579 764 772 878 1146 1158 1317 1756 2292 2316 2634 5268 36863 73726 83849 84727 110589 147452 167698 169454 221178 251547 254181 335396 338908 442356 503094 508362 1006188 1016724 16182857 32365714 48548571 64731428 97097142 194194284