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268888862 = 21122394649
BaseRepresentation
bin10000000001101…
…110101100011110
3200201221222011202
4100001232230132
51022313420422
642403115502
76443342354
oct2001565436
9621858152
10268888862
11128865200
1276072b92
1343927148
14279d57d4
1518915b92
hex1006eb1e

268888862 has 24 divisors (see below), whose sum is σ = 445284000. Its totient is φ = 121684640.

The previous prime is 268888849. The next prime is 268888909.

268888862 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 268888798 and 268888807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55514 + ... + 60162.

It is an arithmetic number, because the mean of its divisors is an integer number (18553500).

Almost surely, 2268888862 is an apocalyptic number.

268888862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

268888862 is a deficient number, since it is larger than the sum of its proper divisors (176395138).

268888862 is a wasteful number, since it uses less digits than its factorization.

268888862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912 (or 4901 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 56.

The square root of 268888862 is about 16397.8310151068. The cubic root of 268888862 is about 645.4425678841.

It can be divided in two parts, 26 and 8888862, that added together give a palindrome (8888888).

The spelling of 268888862 in words is "two hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred sixty-two".

Divisors: 1 2 11 22 121 239 242 478 2629 4649 5258 9298 28919 51139 57838 102278 562529 1111111 1125058 2222222 12222221 24444442 134444431 268888862