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199124529 = 3436072543
BaseRepresentation
bin10111101111001…
…10011000110001
3111212200120111120
423313212120301
5401433441104
631431532453
74635346662
oct1367463061
9455616446
10199124529
11a244522a
125682a129
133233b986
141c635369
1512734cd9
hexbde6631

199124529 has 16 divisors (see below), whose sum is σ = 272228352. Its totient is φ = 129397968.

The previous prime is 199124521. The next prime is 199124531. The reversal of 199124529 is 925421991.

It is not a de Polignac number, because 199124529 - 23 = 199124521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199124521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77032 + ... + 79574.

It is an arithmetic number, because the mean of its divisors is an integer number (17014272).

Almost surely, 2199124529 is an apocalyptic number.

It is an amenable number.

199124529 is a deficient number, since it is larger than the sum of its proper divisors (73103823).

199124529 is a wasteful number, since it uses less digits than its factorization.

199124529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196.

The product of its digits is 58320, while the sum is 42.

The square root of 199124529 is about 14111.1491027485. The cubic root of 199124529 is about 583.9490019660.

The spelling of 199124529 in words is "one hundred ninety-nine million, one hundred twenty-four thousand, five hundred twenty-nine".

Divisors: 1 3 43 129 607 1821 2543 7629 26101 78303 109349 328047 1543601 4630803 66374843 199124529