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199446844 = 2253940787
BaseRepresentation
bin10111110001101…
…01000100111100
3111220021221122011
423320311010330
5402024244334
631442501004
74641161452
oct1370650474
9456257564
10199446844
11a2645403
1256964764
13324225ac
141c6ba9d2
151279a564
hexbe3513c

199446844 has 12 divisors (see below), whose sum is σ = 355617864. Its totient is φ = 97841744.

The previous prime is 199446829. The next prime is 199446847. The reversal of 199446844 is 448644991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199446847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470182 + ... + 470605.

It is an arithmetic number, because the mean of its divisors is an integer number (29634822).

Almost surely, 2199446844 is an apocalyptic number.

It is an amenable number.

199446844 is a deficient number, since it is larger than the sum of its proper divisors (156171020).

199446844 is a wasteful number, since it uses less digits than its factorization.

199446844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940844 (or 940842 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 199446844 is about 14122.5650644633. The cubic root of 199446844 is about 584.2639038390.

The spelling of 199446844 in words is "one hundred ninety-nine million, four hundred forty-six thousand, eight hundred forty-four".

Divisors: 1 2 4 53 106 212 940787 1881574 3763148 49861711 99723422 199446844