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205012344 = 23316095309
BaseRepresentation
bin11000011100000…
…11110101111000
3112021202201001210
430032003311320
5404440343334
632202043120
75036401425
oct1416036570
9467681053
10205012344
11a57a6899
12587a94a0
13336208a4
141d328d4c
1512ee95e9
hexc383d78

205012344 has 32 divisors (see below), whose sum is σ = 512946000. Its totient is φ = 68282112.

The previous prime is 205012343. The next prime is 205012369. The reversal of 205012344 is 443210502.

205012344 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2050123442 = 84060122384748672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205012344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205012343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35962 + ... + 41270.

Almost surely, 2205012344 is an apocalyptic number.

205012344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

205012344 is an abundant number, since it is smaller than the sum of its proper divisors (307933656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205012344 is a wasteful number, since it uses less digits than its factorization.

205012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6927 (or 6923 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 205012344 is about 14318.2521279659. The cubic root of 205012344 is about 589.6486886820.

Adding to 205012344 its reverse (443210502), we get a palindrome (648222846).

The spelling of 205012344 in words is "two hundred five million, twelve thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1609 3218 4827 5309 6436 9654 10618 12872 15927 19308 21236 31854 38616 42472 63708 127416 8542181 17084362 25626543 34168724 51253086 68337448 102506172 205012344