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200236142 = 2401249671
BaseRepresentation
bin10111110111101…
…01110001101110
3111221210001100102
423323311301232
5402230024032
631511431102
74650656561
oct1373656156
9457701312
10200236142
11a3034417
1257085492
133263a932
141c8444d8
15128a4362
hexbef5c6e

200236142 has 8 divisors (see below), whose sum is σ = 301104432. Its totient is φ = 99868000.

The previous prime is 200236129. The next prime is 200236159. The reversal of 200236142 is 241632002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124034 + ... + 125637.

It is an arithmetic number, because the mean of its divisors is an integer number (37638054).

Almost surely, 2200236142 is an apocalyptic number.

200236142 is a deficient number, since it is larger than the sum of its proper divisors (100868290).

200236142 is a wasteful number, since it uses less digits than its factorization.

200236142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250074.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 200236142 is about 14150.4820412592. The cubic root of 200236142 is about 585.0336182497.

Adding to 200236142 its reverse (241632002), we get a palindrome (441868144).

The spelling of 200236142 in words is "two hundred million, two hundred thirty-six thousand, one hundred forty-two".

Divisors: 1 2 401 802 249671 499342 100118071 200236142