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268745385 = 3517916359
BaseRepresentation
bin10000000001001…
…011101010101001
3200201200200100210
4100001023222221
51022244323020
642400051333
76442204146
oct2001135251
9621620323
10268745385
11128777427
1276003b49
13438a6a4c
14279993cd
15188d83e0
hex1004baa9

268745385 has 8 divisors (see below), whose sum is σ = 429992640. Its totient is φ = 143330864.

The previous prime is 268745371. The next prime is 268745419. The reversal of 268745385 is 583547862.

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 268745385 - 25 = 268745353 is a prime.

It is an unprimeable number.

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, 8958165 + ... + 8958194.

It is an arithmetic number, because the mean of its divisors is an integer number (53749080).

Almost surely, 2268745385 is an apocalyptic number.

It is an amenable number.

268745385 is a deficient number, since it is larger than the sum of its proper divisors (161247255).

268745385 is a wasteful number, since it uses less digits than its factorization.

268745385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17916367.

The product of its digits is 1612800, while the sum is 48.

The square root of 268745385 is about 16393.4555539703. The cubic root of 268745385 is about 645.3277464187.

The spelling of 268745385 in words is "two hundred sixty-eight million, seven hundred forty-five thousand, three hundred eighty-five".

Divisors: 1 3 5 15 17916359 53749077 89581795 268745385