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204429284 = 221719158227
BaseRepresentation
bin11000010111101…
…01011111100100
3112020200002020222
430023311133210
5404313214114
632141343512
75031422513
oct1413653744
9466602228
10204429284
11a5438824
1258567b98
1333478397
141d21667a
1512e3198e
hexc2f57e4

204429284 has 24 divisors (see below), whose sum is σ = 398734560. Its totient is φ = 91138176.

The previous prime is 204429271. The next prime is 204429289. The reversal of 204429284 is 482924402.

It is a super-3 number, since 3×2044292843 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (204429289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77822 + ... + 80405.

It is an arithmetic number, because the mean of its divisors is an integer number (16613940).

Almost surely, 2204429284 is an apocalyptic number.

It is an amenable number.

204429284 is a deficient number, since it is larger than the sum of its proper divisors (194305276).

204429284 is a wasteful number, since it uses less digits than its factorization.

204429284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158267 (or 158265 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 204429284 is about 14297.8769053311. The cubic root of 204429284 is about 589.0891662660.

The spelling of 204429284 in words is "two hundred four million, four hundred twenty-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 158227 316454 632908 2689859 3006313 5379718 6012626 10759436 12025252 51107321 102214642 204429284