Search a number
-
+
268249 = 23107109
BaseRepresentation
bin1000001011111011001
3111121222011
41001133121
532040444
65425521
72165032
oct1013731
9447864
10268249
111735a3
1210b2a1
1395137
146da89
1554734
hex417d9

268249 has 8 divisors (see below), whose sum is σ = 285120. Its totient is φ = 251856.

The previous prime is 268237. The next prime is 268253. The reversal of 268249 is 942862.

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

It is a cyclic number.

It is not a de Polignac number, because 268249 - 29 = 267737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268249.

It is not an unprimeable number, because it can be changed into a prime (268049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2268249 is an apocalyptic number.

It is an amenable number.

268249 is a deficient number, since it is larger than the sum of its proper divisors (16871).

268249 is a wasteful number, since it uses less digits than its factorization.

268249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its digits is 6912, while the sum is 31.

The square root of 268249 is about 517.9276011181. The cubic root of 268249 is about 64.4930184940.

The spelling of 268249 in words is "two hundred sixty-eight thousand, two hundred forty-nine".

Divisors: 1 23 107 109 2461 2507 11663 268249