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268683685 = 5115146687
BaseRepresentation
bin10000000000111…
…100100110100101
3200201120112201121
4100000330212211
51022240334220
642354453541
76441526234
oct2000744645
9621515647
10268683685
11128735036
1275b942b1
134388493a
1427980b1b
15188c4eaa
hex1003c9a5

268683685 has 8 divisors (see below), whose sum is σ = 322707456. Its totient is φ = 214755600.

The previous prime is 268683683. The next prime is 268683689. The reversal of 268683685 is 586386862.

It is a happy number.

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

It is not a de Polignac number, because 268683685 - 21 = 268683683 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 (268683683) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 17589 + ... + 29098.

It is an arithmetic number, because the mean of its divisors is an integer number (40338432).

Almost surely, 2268683685 is an apocalyptic number.

It is an amenable number.

268683685 is a deficient number, since it is larger than the sum of its proper divisors (54023771).

268683685 is a wasteful number, since it uses less digits than its factorization.

268683685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47843.

The product of its digits is 3317760, while the sum is 52.

The square root of 268683685 is about 16391.5735974311. The cubic root of 268683685 is about 645.2783567092.

The spelling of 268683685 in words is "two hundred sixty-eight million, six hundred eighty-three thousand, six hundred eighty-five".

Divisors: 1 5 1151 5755 46687 233435 53736737 268683685