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268105337 = 1991347263
BaseRepresentation
bin11111111101011…
…11011001111001
3200200111011101022
433332233121321
51022113332322
642334232225
76433600133
oct1776573171
9620434338
10268105337
1112837a565
1275955675
1343711616
1427870053
151880d942
hexffaf679

268105337 has 4 divisors (see below), whose sum is σ = 269452800. Its totient is φ = 266757876.

The previous prime is 268105237. The next prime is 268105339. The reversal of 268105337 is 733501862.

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 268105337 - 210 = 268104313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268105297 and 268105306.

It is not an unprimeable number, because it can be changed into a prime (268105339) 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, 673433 + ... + 673830.

It is an arithmetic number, because the mean of its divisors is an integer number (67363200).

Almost surely, 2268105337 is an apocalyptic number.

It is an amenable number.

268105337 is a deficient number, since it is larger than the sum of its proper divisors (1347463).

268105337 is a wasteful number, since it uses less digits than its factorization.

268105337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347462.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 268105337 is about 16373.9224683641. The cubic root of 268105337 is about 644.8150317919.

The spelling of 268105337 in words is "two hundred sixty-eight million, one hundred five thousand, three hundred thirty-seven".

Divisors: 1 199 1347263 268105337