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268975872 = 28321110613
BaseRepresentation
bin10000000010000…
…011111100000000
3200202010101112100
4100002003330000
51022324211442
642405030400
76444154134
oct2002037400
9622111470
10268975872
11128914610
12760b5400
1343957929
1427a193c4
151893184c
hex10083f00

268975872 has 108 divisors (see below), whose sum is σ = 846105624. Its totient is φ = 81500160.

The previous prime is 268975789. The next prime is 268975909. The reversal of 268975872 is 278579862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20038 + ... + 30650.

Almost surely, 2268975872 is an apocalyptic number.

268975872 is a gapful number since it is divisible by the number (22) 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 268975872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423052812).

268975872 is an abundant number, since it is smaller than the sum of its proper divisors (577129752).

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

268975872 is a wasteful number, since it uses less digits than its factorization.

268975872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646 (or 10629 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 268975872 is about 16400.4838953002. The cubic root of 268975872 is about 645.5121801654.

The spelling of 268975872 in words is "two hundred sixty-eight million, nine hundred seventy-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 256 264 288 352 384 396 528 576 704 768 792 1056 1152 1408 1584 2112 2304 2816 3168 4224 6336 8448 10613 12672 21226 25344 31839 42452 63678 84904 95517 116743 127356 169808 191034 233486 254712 339616 350229 382068 466972 509424 679232 700458 764136 933944 1018848 1050687 1358464 1400916 1528272 1867888 2037696 2101374 2716928 2801832 3056544 3735776 4075392 4202748 5603664 6113088 7471552 8150784 8405496 11207328 12226176 14943104 16810992 22414656 24452352 29886208 33621984 44829312 67243968 89658624 134487936 268975872