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204240424 = 23198316189
BaseRepresentation
bin11000010110001…
…11011000101000
3112020022111012011
430023013120220
5404241143144
632133325304
75030005063
oct1413073050
9466274164
10204240424
11a5319943
1258496834
133341042b
141d1a78da
1512de5a34
hexc2c7628

204240424 has 32 divisors (see below), whose sum is σ = 407988000. Its totient is φ = 95573952.

The previous prime is 204240403. The next prime is 204240433. The reversal of 204240424 is 424042402.

It is a junction number, because it is equal to n+sod(n) for n = 204240395 and 204240404.

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, 4522 + ... + 20710.

It is an arithmetic number, because the mean of its divisors is an integer number (12749625).

Almost surely, 2204240424 is an apocalyptic number.

It is an amenable number.

204240424 is a deficient number, since it is larger than the sum of its proper divisors (203747576).

204240424 is a wasteful number, since it uses less digits than its factorization.

204240424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297 (or 16293 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 204240424 is about 14291.2709021976. The cubic root of 204240424 is about 588.9077022799.

Adding to 204240424 its reverse (424042402), we get a palindrome (628282826).

The spelling of 204240424 in words is "two hundred four million, two hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 19 38 76 83 152 166 332 664 1577 3154 6308 12616 16189 32378 64756 129512 307591 615182 1230364 1343687 2460728 2687374 5374748 10749496 25530053 51060106 102120212 204240424