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203130544 = 2421160169
BaseRepresentation
bin11000001101110…
…00011010110000
3112011020002201111
430012320122300
5404000134134
632053443104
75014403221
oct1406703260
9464202644
10203130544
11a4730a91
1258040494
13331121b6
141cd99248
1512c76c64
hexc1b86b0

203130544 has 20 divisors (see below), whose sum is σ = 395437240. Its totient is φ = 101082240.

The previous prime is 203130509. The next prime is 203130563. The reversal of 203130544 is 445031302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26709 + ... + 33460.

It is an arithmetic number, because the mean of its divisors is an integer number (19771862).

Almost surely, 2203130544 is an apocalyptic number.

It is an amenable number.

203130544 is a deficient number, since it is larger than the sum of its proper divisors (192306696).

203130544 is a wasteful number, since it uses less digits than its factorization.

203130544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60388 (or 60382 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 203130544 is about 14252.3873087985. The cubic root of 203130544 is about 587.8390199018.

Adding to 203130544 its reverse (445031302), we get a palindrome (648161846).

The spelling of 203130544 in words is "two hundred three million, one hundred thirty thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 211 422 844 1688 3376 60169 120338 240676 481352 962704 12695659 25391318 50782636 101565272 203130544