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260990568 = 233223173911
BaseRepresentation
bin11111000111001…
…10011001101000
3200012002200202100
433203212121220
51013303144233
641521533400
76316245306
oct1743463150
9605080670
10260990568
11124360093
12734a4260
13420c00b7
142693b276
1517da5813
hexf8e6668

260990568 has 96 divisors (see below), whose sum is σ = 742659840. Its totient is φ = 82642560.

The previous prime is 260990557. The next prime is 260990573. The reversal of 260990568 is 865099062.

It is a super-3 number, since 3×2609905683 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286033 + ... + 286943.

It is an arithmetic number, because the mean of its divisors is an integer number (7736040).

Almost surely, 2260990568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260990568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371329920).

260990568 is an abundant number, since it is smaller than the sum of its proper divisors (481669272).

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

260990568 is a wasteful number, since it uses less digits than its factorization.

260990568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 260990568 is about 16155.2025056946. The cubic root of 260990568 is about 639.0599545529.

The spelling of 260990568 in words is "two hundred sixty million, nine hundred ninety thousand, five hundred sixty-eight".