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204200143 = 759349193
BaseRepresentation
bin11000010101111…
…01100011001111
3112020020102221021
430022331203033
5404233401033
632132415011
75026446460
oct1412754317
9466212837
10204200143
11a52a1654
1258477467
13333c7cb4
141d196d67
1512dd8b2d
hexc2bd8cf

204200143 has 8 divisors (see below), whose sum is σ = 233769888. Its totient is φ = 174729984.

The previous prime is 204200089. The next prime is 204200147. The reversal of 204200143 is 341002402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-204200143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204200147) 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, 20446 + ... + 28747.

It is an arithmetic number, because the mean of its divisors is an integer number (29221236).

Almost surely, 2204200143 is an apocalyptic number.

204200143 is a deficient number, since it is larger than the sum of its proper divisors (29569745).

204200143 is an equidigital number, since it uses as much as digits as its factorization.

204200143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49793.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204200143 is about 14289.8615458653. The cubic root of 204200143 is about 588.8689842658.

Adding to 204200143 its reverse (341002402), we get a palindrome (545202545).

The spelling of 204200143 in words is "two hundred four million, two hundred thousand, one hundred forty-three".

Divisors: 1 7 593 4151 49193 344351 29171449 204200143