Search a number
-
+
563404780 = 225234129873
BaseRepresentation
bin100001100101001…
…101111111101100
31110021010221001201
4201211031333230
52123212423110
6131523415244
716650601351
oct4145157754
91407127051
10563404780
1126a033394
12138824524
138c954a13
1454b7c628
15346deb3a
hex2194dfec

563404780 has 48 divisors (see below), whose sum is σ = 1264745664. Its totient is φ = 210298880.

The previous prime is 563404771. The next prime is 563404781. The reversal of 563404780 is 87404365.

It is a super-2 number, since 2×5634047802 = 634849892253696800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (563404781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924 + ... + 33796.

It is an arithmetic number, because the mean of its divisors is an integer number (26348868).

Almost surely, 2563404780 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 563404780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632372832).

563404780 is an abundant number, since it is smaller than the sum of its proper divisors (701340884).

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

563404780 is a wasteful number, since it uses less digits than its factorization.

563404780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29946 (or 29944 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 563404780 is about 23736.1492243371. The cubic root of 563404780 is about 825.9241703512.

The spelling of 563404780 in words is "five hundred sixty-three million, four hundred four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 23 41 46 82 92 115 164 205 230 410 460 820 943 1886 3772 4715 9430 18860 29873 59746 119492 149365 298730 597460 687079 1224793 1374158 2449586 2748316 3435395 4899172 6123965 6870790 12247930 13741580 24495860 28170239 56340478 112680956 140851195 281702390 563404780