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268023 = 3712763
BaseRepresentation
bin1000001011011110111
3111121122210
41001123313
532034043
65424503
72164260
oct1013367
9447583
10268023
11173408
1210b133
1394cc2
146d967
1554633
hex416f7

268023 has 8 divisors (see below), whose sum is σ = 408448. Its totient is φ = 153144.

The previous prime is 268013. The next prime is 268043. The reversal of 268023 is 320862.

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

It is not a de Polignac number, because 268023 - 26 = 267959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 12763 = 268023 / (2 + 6 + 8 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268003) 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, 6361 + ... + 6402.

It is an arithmetic number, because the mean of its divisors is an integer number (51056).

2268023 is an apocalyptic number.

268023 is a deficient number, since it is larger than the sum of its proper divisors (140425).

268023 is a wasteful number, since it uses less digits than its factorization.

268023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12773.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 268023 is about 517.7093779332. The cubic root of 268023 is about 64.4749015984.

Adding to 268023 its reverse (320862), we get a palindrome (588885).

The spelling of 268023 in words is "two hundred sixty-eight thousand, twenty-three".

Divisors: 1 3 7 21 12763 38289 89341 268023