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199962992 = 24191135821
BaseRepresentation
bin10111110101100…
…11000101110000
3111221021011122202
423322303011300
5402142303432
631501522332
74645441325
oct1372630560
9457234582
10199962992
11a2968179
1256b733a8
13325734c8
141c7b2b4c
151284d462
hexbeb3170

199962992 has 40 divisors (see below), whose sum is σ = 411498960. Its totient is φ = 93864960.

The previous prime is 199962979. The next prime is 199963003. The reversal of 199962992 is 299269991.

It is a congruent number.

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, 31442 + ... + 37262.

It is an arithmetic number, because the mean of its divisors is an integer number (10287474).

Almost surely, 2199962992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199962992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205749480).

199962992 is an abundant number, since it is smaller than the sum of its proper divisors (211535968).

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

199962992 is a wasteful number, since it uses less digits than its factorization.

199962992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961 (or 5955 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 56.

The square root of 199962992 is about 14140.8271328095. The cubic root of 199962992 is about 584.7674747347.

The spelling of 199962992 in words is "one hundred ninety-nine million, nine hundred sixty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 19 38 76 113 152 226 304 452 904 1808 2147 4294 5821 8588 11642 17176 23284 34352 46568 93136 110599 221198 442396 657773 884792 1315546 1769584 2631092 5262184 10524368 12497687 24995374 49990748 99981496 199962992