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199997696 = 282333967
BaseRepresentation
bin10111110101110…
…11100100000000
3111221022221021002
423322323210000
5402144411241
631502351132
74645644443
oct1372734400
9457287232
10199997696
11a2991258
1256b8b4a8
1332586242
141c7c165a
151285889b
hexbebb900

199997696 has 36 divisors (see below), whose sum is σ = 416583552. Its totient is φ = 95648256.

The previous prime is 199997689. The next prime is 199997723. The reversal of 199997696 is 696799991.

199997696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11096 + ... + 22871.

Almost surely, 2199997696 is an apocalyptic number.

199997696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199997696 is an abundant number, since it is smaller than the sum of its proper divisors (216585856).

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

199997696 is an equidigital number, since it uses as much as digits as its factorization.

199997696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34006 (or 33992 counting only the distinct ones).

The product of its digits is 14880348, while the sum is 65.

The square root of 199997696 is about 14142.0541647952. The cubic root of 199997696 is about 584.8013019883.

The spelling of 199997696 in words is "one hundred ninety-nine million, nine hundred ninety-seven thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 256 368 736 1472 2944 5888 33967 67934 135868 271736 543472 781241 1086944 1562482 2173888 3124964 4347776 6249928 8695552 12499856 24999712 49999424 99998848 199997696