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200023143 = 3431550567
BaseRepresentation
bin10111110110000…
…01110001100111
3111221101020011120
423323001301213
5402201220033
631503105023
74646111565
oct1373016147
9457336146
10200023143
11a29a9391
1256ba2173
13325949b8
141c7caa35
15128611b3
hexbec1c67

200023143 has 8 divisors (see below), whose sum is σ = 272899968. Its totient is φ = 130247544.

The previous prime is 200023123. The next prime is 200023199. The reversal of 200023143 is 341320002.

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

It is not a de Polignac number, because 200023143 - 29 = 200022631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200023123) 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, 775155 + ... + 775412.

It is an arithmetic number, because the mean of its divisors is an integer number (34112496).

Almost surely, 2200023143 is an apocalyptic number.

200023143 is a deficient number, since it is larger than the sum of its proper divisors (72876825).

200023143 is a wasteful number, since it uses less digits than its factorization.

200023143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550613.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 200023143 is about 14142.9538286738. The cubic root of 200023143 is about 584.8261036201.

Adding to 200023143 its reverse (341320002), we get a palindrome (541343145).

The spelling of 200023143 in words is "two hundred million, twenty-three thousand, one hundred forty-three".

Divisors: 1 3 43 129 1550567 4651701 66674381 200023143