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268473873 = 389491291
BaseRepresentation
bin10000000000001…
…001011000010001
3200201011212220210
4100000021120101
51022212130443
642350154333
76436663443
oct2000113021
9621155823
10268473873
11128601438
1275ab29a9
13438102a5
1427928493
1518882c33
hex10009611

268473873 has 4 divisors (see below), whose sum is σ = 357965168. Its totient is φ = 178982580.

The previous prime is 268473853. The next prime is 268473883. The reversal of 268473873 is 378374862.

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 not a de Polignac number, because 268473873 - 25 = 268473841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268473853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44745643 + ... + 44745648.

It is an arithmetic number, because the mean of its divisors is an integer number (89491292).

Almost surely, 2268473873 is an apocalyptic number.

It is an amenable number.

268473873 is a deficient number, since it is larger than the sum of its proper divisors (89491295).

268473873 is an equidigital number, since it uses as much as digits as its factorization.

268473873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89491294.

The product of its digits is 1354752, while the sum is 48.

The square root of 268473873 is about 16385.1723518552. The cubic root of 268473873 is about 645.1103494871.

The spelling of 268473873 in words is "two hundred sixty-eight million, four hundred seventy-three thousand, eight hundred seventy-three".

Divisors: 1 3 89491291 268473873