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204224419 = 729174917
BaseRepresentation
bin11000010110000…
…11011110100011
3112020021200020101
430023003132203
5404240140134
632133123231
75026610320
oct1413033643
9466250211
10204224419
11a5308913
1258489517
1333406069
141d1a1b47
1512de0e14
hexc2c37a3

204224419 has 4 divisors (see below), whose sum is σ = 233399344. Its totient is φ = 175049496.

The previous prime is 204224411. The next prime is 204224441. The reversal of 204224419 is 914422402.

204224419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914422402 = 2457211201.

It is a cyclic number.

It is not a de Polignac number, because 204224419 - 23 = 204224411 is a prime.

It is a super-2 number, since 2×2042244192 = 83415226631775122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204224411) 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, 14587452 + ... + 14587465.

It is an arithmetic number, because the mean of its divisors is an integer number (58349836).

Almost surely, 2204224419 is an apocalyptic number.

204224419 is a deficient number, since it is larger than the sum of its proper divisors (29174925).

204224419 is an equidigital number, since it uses as much as digits as its factorization.

204224419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29174924.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 204224419 is about 14290.7109340298. The cubic root of 204224419 is about 588.8923189165.

The spelling of 204224419 in words is "two hundred four million, two hundred twenty-four thousand, four hundred nineteen".

Divisors: 1 7 29174917 204224419