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268848189 = 3230797303
BaseRepresentation
bin10000000001100…
…100110000111101
3200201212220101100
4100001210300331
51022311120224
642402203313
76443112651
oct2001446075
9621786340
10268848189
11128837695
1276053539
134391178c
14279c4a61
1518908ac9
hex10064c3d

268848189 has 12 divisors (see below), whose sum is σ = 389605216. Its totient is φ = 178646472.

The previous prime is 268848187. The next prime is 268848197. The reversal of 268848189 is 981848862.

268848189 is a `hidden beast` number, since 2 + 6 + 88 + 481 + 89 = 666.

It is not a de Polignac number, because 268848189 - 21 = 268848187 is a prime.

It is a super-3 number, since 3×2688481893 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268848187) 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 11 ways as a sum of consecutive naturals, for example, 45889 + ... + 51414.

Almost surely, 2268848189 is an apocalyptic number.

It is an amenable number.

268848189 is a deficient number, since it is larger than the sum of its proper divisors (120757027).

268848189 is a wasteful number, since it uses less digits than its factorization.

268848189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97616 (or 97613 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 54.

The square root of 268848189 is about 16396.5907736944. The cubic root of 268848189 is about 645.4100223321.

The spelling of 268848189 in words is "two hundred sixty-eight million, eight hundred forty-eight thousand, one hundred eighty-nine".

Divisors: 1 3 9 307 921 2763 97303 291909 875727 29872021 89616063 268848189