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268220544 = 273698491
BaseRepresentation
bin11111111110010…
…11100010000000
3200200201000102020
433333023202000
51022131024134
642340521440
76434560044
oct1777134200
9620630366
10268220544
11128449079
12759b0280
1343751ba7
14278a0024
1518832b49
hexffcb880

268220544 has 32 divisors (see below), whose sum is σ = 712461840. Its totient is φ = 89406720.

The previous prime is 268220521. The next prime is 268220569. The reversal of 268220544 is 445022862.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348862 + ... + 349629.

Almost surely, 2268220544 is an apocalyptic number.

268220544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

268220544 is an abundant number, since it is smaller than the sum of its proper divisors (444241296).

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

268220544 is an equidigital number, since it uses as much as digits as its factorization.

268220544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698508 (or 698496 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 268220544 is about 16377.4400930060. The cubic root of 268220544 is about 644.9073792851.

The spelling of 268220544 in words is "two hundred sixty-eight million, two hundred twenty thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 698491 1396982 2095473 2793964 4190946 5587928 8381892 11175856 16763784 22351712 33527568 44703424 67055136 89406848 134110272 268220544