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83786713 = 1929152063
BaseRepresentation
bin1001111111001…
…11101111011001
312211122210202121
410333213233121
5132422133323
612151501241
72035114063
oct477475731
9184583677
1083786713
114332821a
1224087821
1314487b4a
14b1b0733
157550a5d
hex4fe7bd9

83786713 has 8 divisors (see below), whose sum is σ = 91238400. Its totient is φ = 76639248.

The previous prime is 83786711. The next prime is 83786719. The reversal of 83786713 is 31768738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83786713 - 21 = 83786711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83786713.

It is not an unprimeable number, because it can be changed into a prime (83786711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75481 + ... + 76582.

It is an arithmetic number, because the mean of its divisors is an integer number (11404800).

Almost surely, 283786713 is an apocalyptic number.

It is an amenable number.

83786713 is a deficient number, since it is larger than the sum of its proper divisors (7451687).

83786713 is a wasteful number, since it uses less digits than its factorization.

83786713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152111.

The product of its digits is 169344, while the sum is 43.

The square root of 83786713 is about 9153.5082345514. The cubic root of 83786713 is about 437.5809273967.

The spelling of 83786713 in words is "eighty-three million, seven hundred eighty-six thousand, seven hundred thirteen".

Divisors: 1 19 29 551 152063 2889197 4409827 83786713