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260349968 = 2417957169
BaseRepresentation
bin11111000010010…
…10000000010000
3200010220011000102
433201022000100
51013122144333
641500111532
76310636544
oct1741120020
9603804012
10260349968
11123a6286a
12732355a8
1341c27648
1426811a24
1517ccaae8
hexf84a010

260349968 has 20 divisors (see below), whose sum is σ = 534100860. Its totient is φ = 122517504.

The previous prime is 260349961. The next prime is 260349977. The reversal of 260349968 is 869943062.

It can be written as a sum of positive squares in 2 ways, for example, as 190660864 + 69689104 = 13808^2 + 8348^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (260349961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478313 + ... + 478856.

It is an arithmetic number, because the mean of its divisors is an integer number (26705043).

Almost surely, 2260349968 is an apocalyptic number.

It is an amenable number.

260349968 is an abundant number, since it is smaller than the sum of its proper divisors (273750892).

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

260349968 is a wasteful number, since it uses less digits than its factorization.

260349968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957194 (or 957188 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 260349968 is about 16135.3638942541. The cubic root of 260349968 is about 638.5366697342.

The spelling of 260349968 in words is "two hundred sixty million, three hundred forty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 957169 1914338 3828676 7657352 15314704 16271873 32543746 65087492 130174984 260349968