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68506703 = 82183443
BaseRepresentation
bin1000001010101…
…01010001001111
311202220111112022
410011111101033
5120014203303
610444200355
71461203666
oct405252117
9152814468
1068506703
1135741111
121ab390bb
1311267c15
149153ddd
156033438
hex415544f

68506703 has 4 divisors (see below), whose sum is σ = 68590968. Its totient is φ = 68422440.

The previous prime is 68506699. The next prime is 68506733. The reversal of 68506703 is 30760586.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68506703 - 22 = 68506699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68506733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40901 + ... + 42542.

It is an arithmetic number, because the mean of its divisors is an integer number (17147742).

Almost surely, 268506703 is an apocalyptic number.

68506703 is a deficient number, since it is larger than the sum of its proper divisors (84265).

68506703 is an equidigital number, since it uses as much as digits as its factorization.

68506703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84264.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 68506703 is about 8276.8776117567. The cubic root of 68506703 is about 409.1768195076.

The spelling of 68506703 in words is "sixty-eight million, five hundred six thousand, seven hundred three".

Divisors: 1 821 83443 68506703