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199853408 = 2513745587
BaseRepresentation
bin10111110100110…
…00010101100000
3111221001121100002
423322120111200
5402130302113
631455315132
74644503666
oct1372302540
9457047302
10199853408
11a28a2907
1256b1baa8
1332535671
141c784c36
151282ac58
hexbe98560

199853408 has 24 divisors (see below), whose sum is σ = 396342072. Its totient is φ = 99195136.

The previous prime is 199853389. The next prime is 199853441. The reversal of 199853408 is 804358991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18410 + ... + 27177.

It is an arithmetic number, because the mean of its divisors is an integer number (16514253).

Almost surely, 2199853408 is an apocalyptic number.

It is an amenable number.

199853408 is a deficient number, since it is larger than the sum of its proper divisors (196488664).

199853408 is a wasteful number, since it uses less digits than its factorization.

199853408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45734 (or 45726 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 199853408 is about 14136.9518638213. The cubic root of 199853408 is about 584.6606335173.

The spelling of 199853408 in words is "one hundred ninety-nine million, eight hundred fifty-three thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 137 274 548 1096 2192 4384 45587 91174 182348 364696 729392 1458784 6245419 12490838 24981676 49963352 99926704 199853408