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268887268 = 221361103823
BaseRepresentation
bin10000000001101…
…110010011100100
3200201221212222201
4100001232103210
51022313343033
642403104244
76443334616
oct2001562344
9621855881
10268887268
11128863a91
1276072084
13439264c0
14279d4db6
151891547d
hex1006e4e4

268887268 has 48 divisors (see below), whose sum is σ = 520688896. Its totient is φ = 120735360.

The previous prime is 268887263. The next prime is 268887271. The reversal of 268887268 is 862788862.

It is not an unprimeable number, because it can be changed into a prime (268887263) 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 15 ways as a sum of consecutive naturals, for example, 326305 + ... + 327127.

Almost surely, 2268887268 is an apocalyptic number.

It is an amenable number.

268887268 is a deficient number, since it is larger than the sum of its proper divisors (251801628).

268887268 is a wasteful number, since it uses less digits than its factorization.

268887268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 1002 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 55.

The square root of 268887268 is about 16397.7824110457. The cubic root of 268887268 is about 645.4412924656.

The spelling of 268887268 in words is "two hundred sixty-eight million, eight hundred eighty-seven thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 26 52 61 103 122 206 244 412 793 823 1339 1586 1646 2678 3172 3292 5356 6283 10699 12566 21398 25132 42796 50203 81679 84769 100406 163358 169538 200812 326716 339076 652639 1101997 1305278 2203994 2610556 4407988 5170909 10341818 20683636 67221817 134443634 268887268