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200344143 = 366781381
BaseRepresentation
bin10111111000100…
…00001001001111
3111221222112111110
423330100021033
5402242003033
631514023103
74651616466
oct1374201117
9457875443
10200344143
11a30a857a
1257117a93
1332677b3c
141c8719dd
15128c6363
hexbf1024f

200344143 has 4 divisors (see below), whose sum is σ = 267125528. Its totient is φ = 133562760.

The previous prime is 200344129. The next prime is 200344147. The reversal of 200344143 is 341443002.

200344143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 200344143 - 28 = 200343887 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 (200344147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33390688 + ... + 33390693.

It is an arithmetic number, because the mean of its divisors is an integer number (66781382).

Almost surely, 2200344143 is an apocalyptic number.

200344143 is a deficient number, since it is larger than the sum of its proper divisors (66781385).

200344143 is an equidigital number, since it uses as much as digits as its factorization.

200344143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66781384.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 200344143 is about 14154.2976865686. The cubic root of 200344143 is about 585.1387821805.

Adding to 200344143 its reverse (341443002), we get a palindrome (541787145).

The spelling of 200344143 in words is "two hundred million, three hundred forty-four thousand, one hundred forty-three".

Divisors: 1 3 66781381 200344143