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200440249 = 369754217
BaseRepresentation
bin10111111001001…
…11100110111001
3111222011102022221
423330213212321
5402303041444
631520044041
74652466622
oct1374474671
9458142287
10200440249
11a31637a9
1257163621
13326ac7c9
141c898a49
15128e4a84
hexbf279b9

200440249 has 4 divisors (see below), whose sum is σ = 200498164. Its totient is φ = 200382336.

The previous prime is 200440237. The next prime is 200440259. The reversal of 200440249 is 942044002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19053225 + 181387024 = 4365^2 + 13468^2 .

It is a cyclic number.

It is not a de Polignac number, because 200440249 - 29 = 200439737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200440259) 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, 23412 + ... + 30805.

It is an arithmetic number, because the mean of its divisors is an integer number (50124541).

Almost surely, 2200440249 is an apocalyptic number.

It is an amenable number.

200440249 is a deficient number, since it is larger than the sum of its proper divisors (57915).

200440249 is an equidigital number, since it uses as much as digits as its factorization.

200440249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57914.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 200440249 is about 14157.6922201325. The cubic root of 200440249 is about 585.2323318051.

The spelling of 200440249 in words is "two hundred million, four hundred forty thousand, two hundred forty-nine".

Divisors: 1 3697 54217 200440249