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260265220 = 22513013261
BaseRepresentation
bin11111000001101…
…01010100000100
3200010201211202121
433200311110010
51013111441340
641454215324
76310134505
oct1740652404
9603654677
10260265220
11123a05126
12731b4544
1341bc7bb7
14267ccbac
1517cb094a
hexf835504

260265220 has 12 divisors (see below), whose sum is σ = 546557004. Its totient is φ = 104106080.

The previous prime is 260265209. The next prime is 260265233. The reversal of 260265220 is 22562062.

260265220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36942084 + 223323136 = 6078^2 + 14944^2 .

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, 6506611 + ... + 6506650.

It is an arithmetic number, because the mean of its divisors is an integer number (45546417).

Almost surely, 2260265220 is an apocalyptic number.

260265220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260265220 is an abundant number, since it is smaller than the sum of its proper divisors (286291784).

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

260265220 is a wasteful number, since it uses less digits than its factorization.

260265220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013270 (or 13013268 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 260265220 is about 16132.7375234335. The cubic root of 260265220 is about 638.4673776465.

The spelling of 260265220 in words is "two hundred sixty million, two hundred sixty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 13013261 26026522 52053044 65066305 130132610 260265220