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268591104 = 213323643
BaseRepresentation
bin10000000000100…
…110000000000000
3200201101211201200
4100000212000000
51022224403404
642352501200
76440662305
oct2000460000
9621354650
10268591104
11128681521
1275b4a800
1343851762
14279590ac
15188a7839
hex10026000

268591104 has 84 divisors (see below), whose sum is σ = 776095476. Its totient is φ = 89505792.

The previous prime is 268591097. The next prime is 268591133. The reversal of 268591104 is 401195862.

268591104 is a `hidden beast` number, since 2 + 68 + 591 + 1 + 0 + 4 = 666.

It is a super-2 number, since 2×2685911042 = 144282362295877632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71907 + ... + 75549.

Almost surely, 2268591104 is an apocalyptic number.

268591104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268591104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388047738).

268591104 is an abundant number, since it is smaller than the sum of its proper divisors (507504372).

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

268591104 is an equidigital number, since it uses as much as digits as its factorization.

268591104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675 (or 3648 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 268591104 is about 16388.7493116467. The cubic root of 268591104 is about 645.2042331433.

The spelling of 268591104 in words is "two hundred sixty-eight million, five hundred ninety-one thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 3643 4096 4608 6144 7286 8192 9216 10929 12288 14572 18432 21858 24576 29144 32787 36864 43716 58288 65574 73728 87432 116576 131148 174864 233152 262296 349728 466304 524592 699456 932608 1049184 1398912 1865216 2098368 2797824 3730432 4196736 5595648 7460864 8393472 11191296 14921728 16786944 22382592 29843456 33573888 44765184 67147776 89530368 134295552 268591104