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68786206 = 234393103
BaseRepresentation
bin1000001100110…
…01100000011110
311210102200221021
410012121200132
5120102124311
610454154354
71463446606
oct406314036
9153380837
1068786206
1135912105
121b0529ba
13113351c8
1491c7c06
15608b171
hex419981e

68786206 has 4 divisors (see below), whose sum is σ = 103179312. Its totient is φ = 34393102.

The previous prime is 68786191. The next prime is 68786227. The reversal of 68786206 is 60268786.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17196550 + ... + 17196553.

It is an arithmetic number, because the mean of its divisors is an integer number (25794828).

Almost surely, 268786206 is an apocalyptic number.

68786206 is a deficient number, since it is larger than the sum of its proper divisors (34393106).

68786206 is a wasteful number, since it uses less digits than its factorization.

68786206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34393105.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 68786206 is about 8293.7449924627. The cubic root of 68786206 is about 409.7325362459.

The spelling of 68786206 in words is "sixty-eight million, seven hundred eighty-six thousand, two hundred six".

Divisors: 1 2 34393103 68786206