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268197 = 389399
BaseRepresentation
bin1000001011110100101
3111121220020
41001132211
532040242
65425353
72164626
oct1013645
9447806
10268197
11173556
1210b259
13950c7
146da4d
15546ec
hex417a5

268197 has 4 divisors (see below), whose sum is σ = 357600. Its totient is φ = 178796.

The previous prime is 268189. The next prime is 268199. The reversal of 268197 is 791862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268197 - 23 = 268189 is a prime.

It is a D-number.

268197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268199) 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, 44697 + ... + 44702.

It is an arithmetic number, because the mean of its divisors is an integer number (89400).

2268197 is an apocalyptic number.

It is an amenable number.

268197 is a deficient number, since it is larger than the sum of its proper divisors (89403).

268197 is an equidigital number, since it uses as much as digits as its factorization.

268197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89402.

The product of its digits is 6048, while the sum is 33.

The square root of 268197 is about 517.8773986186. The cubic root of 268197 is about 64.4888509063.

It can be divided in two parts, 268 and 197, that added together give a triangular number (465 = T30).

The spelling of 268197 in words is "two hundred sixty-eight thousand, one hundred ninety-seven".

Divisors: 1 3 89399 268197