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199113292 = 2278979901
BaseRepresentation
bin10111101111000…
…11101001001100
3111212200000002101
423313203221030
5401433111132
631431404444
74635302140
oct1367435114
9455600071
10199113292
11a2437844
1256823724
1332336821
141c631220
15127317e7
hexbde3a4c

199113292 has 24 divisors (see below), whose sum is σ = 402706080. Its totient is φ = 84374400.

The previous prime is 199113287. The next prime is 199113307. The reversal of 199113292 is 292311991.

It is a happy number.

It is a super-2 number, since 2×1991132922 = 79292206102154528, which contains 22 as substring.

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, 37459 + ... + 42442.

It is an arithmetic number, because the mean of its divisors is an integer number (16779420).

Almost surely, 2199113292 is an apocalyptic number.

It is an amenable number.

199113292 is an abundant number, since it is smaller than the sum of its proper divisors (203592788).

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

199113292 is a wasteful number, since it uses less digits than its factorization.

199113292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80001 (or 79999 counting only the distinct ones).

The product of its digits is 8748, while the sum is 37.

The square root of 199113292 is about 14110.7509367858. The cubic root of 199113292 is about 583.9380172848.

The spelling of 199113292 in words is "one hundred ninety-nine million, one hundred thirteen thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 79901 159802 319604 559307 1118614 2237228 7111189 14222378 28444756 49778323 99556646 199113292