Search a number
-
+
199999672 = 2324999959
BaseRepresentation
bin10111110101111…
…00000010111000
3111221100000222021
423322330002320
5402144442142
631502404224
74645653265
oct1372740270
9457300867
10199999672
11a2992794
1256b90674
1332587102
141c7c226c
1512859267
hexbebc0b8

199999672 has 8 divisors (see below), whose sum is σ = 374999400. Its totient is φ = 99999832.

The previous prime is 199999661. The next prime is 199999673. The reversal of 199999672 is 276999991.

199999672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 199999672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199999673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12499972 + ... + 12499987.

It is an arithmetic number, because the mean of its divisors is an integer number (46874925).

Almost surely, 2199999672 is an apocalyptic number.

It is an amenable number.

199999672 is a deficient number, since it is larger than the sum of its proper divisors (174999728).

199999672 is a wasteful number, since it uses less digits than its factorization.

199999672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24999965 (or 24999961 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 61.

The square root of 199999672 is about 14142.1240271750. The cubic root of 199999672 is about 584.8032279498.

The spelling of 199999672 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, six hundred seventy-two".

Divisors: 1 2 4 8 24999959 49999918 99999836 199999672