Search a number
-
+
564380 = 22528219
BaseRepresentation
bin10001001110010011100
31001200011222
42021302130
5121030010
620032512
74540265
oct2116234
91050158
10564380
11356033
12232738
13169b6b
1410996c
15b2355
hex89c9c

564380 has 12 divisors (see below), whose sum is σ = 1185240. Its totient is φ = 225744.

The previous prime is 564373. The next prime is 564391. The reversal of 564380 is 83465.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

564380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14090 + ... + 14129.

It is an arithmetic number, because the mean of its divisors is an integer number (98770).

2564380 is an apocalyptic number.

It is an amenable number.

564380 is an abundant number, since it is smaller than the sum of its proper divisors (620860).

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

564380 is a wasteful number, since it uses less digits than its factorization.

564380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28228 (or 28226 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 564380 is about 751.2522878501. The cubic root of 564380 is about 82.6400437452.

The spelling of 564380 in words is "five hundred sixty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 28219 56438 112876 141095 282190 564380