Search a number
-
+
260055560 = 2356501389
BaseRepresentation
bin11111000000000…
…10001000001000
3200010100012011102
433200002020020
51013033234220
641445520532
76305302322
oct1740021010
9603305142
10260055560
11123881656
1273113148
1341b5363b
1426776612
1517c6d775
hexf802208

260055560 has 16 divisors (see below), whose sum is σ = 585125100. Its totient is φ = 104022208.

The previous prime is 260055553. The next prime is 260055571. The reversal of 260055560 is 65550062.

It can be written as a sum of positive squares in 2 ways, for example, as 250082596 + 9972964 = 15814^2 + 3158^2 .

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, 3250655 + ... + 3250734.

Almost surely, 2260055560 is an apocalyptic number.

260055560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260055560 is an abundant number, since it is smaller than the sum of its proper divisors (325069540).

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

260055560 is a wasteful number, since it uses less digits than its factorization.

260055560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501400 (or 6501396 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 260055560 is about 16126.2382470308. The cubic root of 260055560 is about 638.2958897171.

The spelling of 260055560 in words is "two hundred sixty million, fifty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 6501389 13002778 26005556 32506945 52011112 65013890 130027780 260055560