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224205401 = 7174434253
BaseRepresentation
bin11010101110100…
…01101001011001
3120121212210222202
431113101221121
5424344033101
634125255545
75361500030
oct1527215131
9517783882
10224205401
11105615922
12631045b5
13375b0924
1421ac3717
1514a3b36b
hexd5d1a59

224205401 has 16 divisors (see below), whose sum is σ = 271983744. Its totient is φ = 180420864.

The previous prime is 224205391. The next prime is 224205461. The reversal of 224205401 is 104502422.

It is a happy number.

It is not a de Polignac number, because 224205401 - 26 = 224205337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224205461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50591 + ... + 54843.

It is an arithmetic number, because the mean of its divisors is an integer number (16998984).

Almost surely, 2224205401 is an apocalyptic number.

It is an amenable number.

224205401 is a deficient number, since it is larger than the sum of its proper divisors (47778343).

224205401 is a wasteful number, since it uses less digits than its factorization.

224205401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 224205401 is about 14973.4899405583. The cubic root of 224205401 is about 607.5033681445.

Adding to 224205401 its reverse (104502422), we get a palindrome (328707823).

The spelling of 224205401 in words is "two hundred twenty-four million, two hundred five thousand, four hundred one".

Divisors: 1 7 17 119 443 3101 4253 7531 29771 52717 72301 506107 1884079 13188553 32029343 224205401