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430000205 = 5337255193
BaseRepresentation
bin11001101000010…
…100100001001101
31002222010021101112
4121220110201031
51340040001310
6110400221405
713440640625
oct3150244115
91088107345
10430000205
112007a6578
1210000a865
136b1166bb
1441173885
1527b3c705
hex19a1484d

430000205 has 8 divisors (see below), whose sum is σ = 517533432. Its totient is φ = 342978048.

The previous prime is 430000189. The next prime is 430000223. The reversal of 430000205 is 502000034.

It can be written as a sum of positive squares in 4 ways, for example, as 36929929 + 393070276 = 6077^2 + 19826^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 430000205 - 24 = 430000189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 430000205.

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, 125912 + ... + 129281.

It is an arithmetic number, because the mean of its divisors is an integer number (64691679).

Almost surely, 2430000205 is an apocalyptic number.

It is an amenable number.

430000205 is a deficient number, since it is larger than the sum of its proper divisors (87533227).

430000205 is a wasteful number, since it uses less digits than its factorization.

430000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255535.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 430000205 is about 20736.4462963161. The cubic root of 430000205 is about 754.7843513751.

Adding to 430000205 its reverse (502000034), we get a palindrome (932000239).

The spelling of 430000205 in words is "four hundred thirty million, two hundred five", and thus it is an aban number.

Divisors: 1 5 337 1685 255193 1275965 86000041 430000205