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284248106438 = 2142124053219
BaseRepresentation
bin1000010001011101000…
…00011110010111000110
31000011200201221220222212
410020232200132113012
514124120003401223
6334325355223422
726351635016402
oct4105640362706
91004621856885
10284248106438
11aa60471154a
124710a147b72
1320a5c5a422a
14da87116102
1575d9876278
hex422e81e5c6

284248106438 has 4 divisors (see below), whose sum is σ = 426372159660. Its totient is φ = 142124053218.

The previous prime is 284248106393. The next prime is 284248106449. The reversal of 284248106438 is 834601842482.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71062026608 + ... + 71062026611.

It is an arithmetic number, because the mean of its divisors is an integer number (106593039915).

Almost surely, 2284248106438 is an apocalyptic number.

284248106438 is a deficient number, since it is larger than the sum of its proper divisors (142124053222).

284248106438 is a wasteful number, since it uses less digits than its factorization.

284248106438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142124053221.

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 284248106438 in words is "two hundred eighty-four billion, two hundred forty-eight million, one hundred six thousand, four hundred thirty-eight".

Divisors: 1 2 142124053219 284248106438