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204210485 = 5311317487
BaseRepresentation
bin11000010110000…
…00000100110101
3112020020222010022
430023000010311
5404234213420
632132534525
75026521563
oct1413000465
9466228108
10204210485
11a52a93a6
1258481445
13333cc90b
141d19aa33
1512ddbc25
hexc2c0135

204210485 has 8 divisors (see below), whose sum is σ = 252957696. Its totient is φ = 158098320.

The previous prime is 204210473. The next prime is 204210509. The reversal of 204210485 is 584012402.

It is a happy number.

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

It is not a de Polignac number, because 204210485 - 24 = 204210469 is a prime.

It is a Duffinian 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, 658589 + ... + 658898.

It is an arithmetic number, because the mean of its divisors is an integer number (31619712).

Almost surely, 2204210485 is an apocalyptic number.

It is an amenable number.

204210485 is a deficient number, since it is larger than the sum of its proper divisors (48747211).

204210485 is a wasteful number, since it uses less digits than its factorization.

204210485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317523.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 204210485 is about 14290.2234062313. The cubic root of 204210485 is about 588.8789254607.

Adding to 204210485 its reverse (584012402), we get a palindrome (788222887).

The spelling of 204210485 in words is "two hundred four million, two hundred ten thousand, four hundred eighty-five".

Divisors: 1 5 31 155 1317487 6587435 40842097 204210485