Search a number
-
+
565552680 = 233571197631
BaseRepresentation
bin100001101101011…
…010011000101000
31110102012001102120
4201231122120220
52124240141210
6132041431240
720005055430
oct4155323050
91412161376
10565552680
11270270110
1213949b520
1390227574
145517b2c0
15349b6270
hex21b5a628

565552680 has 256 divisors, whose sum is σ = 2140508160. Its totient is φ = 116121600.

The previous prime is 565552679. The next prime is 565552699. The reversal of 565552680 is 86255565.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 895965 + ... + 896595.

It is an arithmetic number, because the mean of its divisors is an integer number (8361360).

Almost surely, 2565552680 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 565552680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070254080).

565552680 is an abundant number, since it is smaller than the sum of its proper divisors (1574955480).

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

565552680 is a wasteful number, since it uses less digits than its factorization.

565552680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The square root of 565552680 is about 23781.3515175231. The cubic root of 565552680 is about 826.9724119081.

The spelling of 565552680 in words is "five hundred sixty-five million, five hundred fifty-two thousand, six hundred eighty".