Search a number
-
+
200224685 = 540044937
BaseRepresentation
bin10111110111100…
…10111110101101
3111221202110122002
423323302332231
5402224142220
631511302045
74650611303
oct1373627655
9457673562
10200224685
11a3026851
125707a925
133263565b
141c840273
15128a0c75
hexbef2fad

200224685 has 4 divisors (see below), whose sum is σ = 240269628. Its totient is φ = 160179744.

The previous prime is 200224681. The next prime is 200224697. The reversal of 200224685 is 586422002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586422002 = 2293211001.

It can be written as a sum of positive squares in 2 ways, for example, as 109537156 + 90687529 = 10466^2 + 9523^2 .

It is a cyclic number.

It is not a de Polignac number, because 200224685 - 22 = 200224681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200224681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20022464 + ... + 20022473.

It is an arithmetic number, because the mean of its divisors is an integer number (60067407).

Almost surely, 2200224685 is an apocalyptic number.

It is an amenable number.

200224685 is a deficient number, since it is larger than the sum of its proper divisors (40044943).

200224685 is an equidigital number, since it uses as much as digits as its factorization.

200224685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40044942.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 200224685 is about 14150.0772082699. The cubic root of 200224685 is about 585.0224599943.

Adding to 200224685 its reverse (586422002), we get a palindrome (786646687).

The spelling of 200224685 in words is "two hundred million, two hundred twenty-four thousand, six hundred eighty-five".

Divisors: 1 5 40044937 200224685