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268561024 = 272098133
BaseRepresentation
bin10000000000011…
…110101010000000
3200201100022110121
4100000132222000
51022222423044
642352110024
76440505514
oct2000365200
9621308417
10268561024
11128660966
1275b35314
1343840b64
142794c144
151889d984
hex1001ea80

268561024 has 16 divisors (see below), whose sum is σ = 535024170. Its totient is φ = 134280448.

The previous prime is 268561009. The next prime is 268561043. The reversal of 268561024 is 420165862.

It can be written as a sum of positive squares in only one way, i.e., 159567424 + 108993600 = 12632^2 + 10440^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×2685610242 = 144250047223857152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048939 + ... + 1049194.

Almost surely, 2268561024 is an apocalyptic number.

It is an amenable number.

268561024 is a deficient number, since it is larger than the sum of its proper divisors (266463146).

268561024 is an equidigital number, since it uses as much as digits as its factorization.

268561024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098147 (or 2098135 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 268561024 is about 16387.8315832205. The cubic root of 268561024 is about 645.1801463839.

The spelling of 268561024 in words is "two hundred sixty-eight million, five hundred sixty-one thousand, twenty-four".

Divisors: 1 2 4 8 16 32 64 128 2098133 4196266 8392532 16785064 33570128 67140256 134280512 268561024