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268964892 = 223272574153
BaseRepresentation
bin10000000010000…
…001010000011100
3200202002211110200
4100002001100130
51022323334032
642404503500
76444110130
oct2002012034
9622084420
10268964892
11128907339
12760aab90
1343952931
1427a153c0
151892d47c
hex1008141c

268964892 has 72 divisors (see below), whose sum is σ = 780220896. Its totient is φ = 76529664.

The previous prime is 268964887. The next prime is 268964947. The reversal of 268964892 is 298469862.

It is a happy number.

It is a super-2 number, since 2×2689648922 = 144684226257143328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62688 + ... + 66840.

Almost surely, 2268964892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268964892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390110448).

268964892 is an abundant number, since it is smaller than the sum of its proper divisors (511256004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268964892 is a wasteful number, since it uses less digits than its factorization.

268964892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427 (or 4422 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 268964892 is about 16400.1491456633. The cubic root of 268964892 is about 645.5033964529.

The spelling of 268964892 in words is "two hundred sixty-eight million, nine hundred sixty-four thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 257 514 771 1028 1542 1799 2313 3084 3598 4153 4626 5397 7196 8306 9252 10794 12459 16191 16612 21588 24918 29071 32382 37377 49836 58142 64764 74754 87213 116284 149508 174426 261639 348852 523278 1046556 1067321 2134642 3201963 4269284 6403926 7471247 9605889 12807852 14942494 19211778 22413741 29884988 38423556 44827482 67241223 89654964 134482446 268964892