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268117 = 1971361
BaseRepresentation
bin1000001011101010101
3111121210021
41001131111
532034432
65425141
72164453
oct1013525
9447707
10268117
11173493
1210b1b1
1395065
146d9d3
1554697
hex41755

268117 has 4 divisors (see below), whose sum is σ = 269676. Its totient is φ = 266560.

The previous prime is 268091. The next prime is 268123. The reversal of 268117 is 711862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 171396 + 96721 = 414^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 268117 - 215 = 235349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268091 and 268100.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268117.

It is not an unprimeable number, because it can be changed into a prime (268517) 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, 484 + ... + 877.

It is an arithmetic number, because the mean of its divisors is an integer number (67419).

2268117 is an apocalyptic number.

It is an amenable number.

268117 is a deficient number, since it is larger than the sum of its proper divisors (1559).

268117 is a wasteful number, since it uses less digits than its factorization.

268117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558.

The product of its digits is 672, while the sum is 25.

The square root of 268117 is about 517.8001544998. The cubic root of 268117 is about 64.4824381809.

Adding to 268117 its reverse (711862), we get a palindrome (979979).

The spelling of 268117 in words is "two hundred sixty-eight thousand, one hundred seventeen".

Divisors: 1 197 1361 268117