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204385238 = 2138173999
BaseRepresentation
bin11000010111010…
…10101111010110
3112020120211211122
430023222233112
5404310311423
632140403542
75031150221
oct1413525726
9466524748
10204385238
11a5408722
12585465b2
1333461315
141d2045b8
1512e238c8
hexc2eabd6

204385238 has 8 divisors (see below), whose sum is σ = 306804000. Its totient is φ = 102117240.

The previous prime is 204385229. The next prime is 204385241. The reversal of 204385238 is 832583402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 204385198 and 204385207.

It is a congruent number.

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, 34238 + ... + 39761.

It is an arithmetic number, because the mean of its divisors is an integer number (38350500).

Almost surely, 2204385238 is an apocalyptic number.

204385238 is a deficient number, since it is larger than the sum of its proper divisors (102418762).

204385238 is a wasteful number, since it uses less digits than its factorization.

204385238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75382.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 204385238 is about 14296.3365237392. The cubic root of 204385238 is about 589.0468551636.

The spelling of 204385238 in words is "two hundred four million, three hundred eighty-five thousand, two hundred thirty-eight".

Divisors: 1 2 1381 2762 73999 147998 102192619 204385238