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204232144 = 24131139701
BaseRepresentation
bin11000010110001…
…01010111010000
3112020022001211111
430023011113100
5404240412034
632133223104
75026641664
oct1413052720
9466261744
10204232144
11a53136a6
1258491a94
133340972c
141d1a48a4
1512de3364
hexc2c55d0

204232144 has 40 divisors (see below), whose sum is σ = 402161760. Its totient is φ = 100464000.

The previous prime is 204232117. The next prime is 204232153. The reversal of 204232144 is 441232402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290994 + ... + 291694.

It is an arithmetic number, because the mean of its divisors is an integer number (10054044).

Almost surely, 2204232144 is an apocalyptic number.

It is an amenable number.

204232144 is a deficient number, since it is larger than the sum of its proper divisors (197929616).

204232144 is a wasteful number, since it uses less digits than its factorization.

204232144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 204232144 is about 14290.9812119392. The cubic root of 204232144 is about 588.8997439767.

Adding to 204232144 its reverse (441232402), we get a palindrome (645464546).

The spelling of 204232144 in words is "two hundred four million, two hundred thirty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 131 139 262 278 524 556 701 1048 1112 1402 2096 2224 2804 5608 11216 18209 36418 72836 91831 97439 145672 183662 194878 291344 367324 389756 734648 779512 1469296 1559024 12764509 25529018 51058036 102116072 204232144