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201430323 = 32162113807
BaseRepresentation
bin11000000000110…
…01010100110011
3112001000201110100
430000121110303
5403031232243
631553203443
74664062263
oct1400312463
9461021410
10201430323
11a377a646
1257560583
1332968353
141ca757a3
1512a3d0d3
hexc019533

201430323 has 12 divisors (see below), whose sum is σ = 291155488. Its totient is φ = 134194320.

The previous prime is 201430309. The next prime is 201430349. The reversal of 201430323 is 323034102.

201430323 is a `hidden beast` number, since 201 + 430 + 32 + 3 = 666.

It is not a de Polignac number, because 201430323 - 222 = 197236019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201430296 and 201430305.

It is not an unprimeable number, because it can be changed into a prime (201430303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7686 + ... + 21492.

Almost surely, 2201430323 is an apocalyptic number.

201430323 is a deficient number, since it is larger than the sum of its proper divisors (89725165).

201430323 is a wasteful number, since it uses less digits than its factorization.

201430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15434 (or 15431 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 201430323 is about 14192.6150867273. The cubic root of 201430323 is about 586.1943340444.

Adding to 201430323 its reverse (323034102), we get a palindrome (524464425).

The spelling of 201430323 in words is "two hundred one million, four hundred thirty thousand, three hundred twenty-three".

Divisors: 1 3 9 1621 4863 13807 14589 41421 124263 22381147 67143441 201430323