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1027142 = 22412131
BaseRepresentation
bin11111010110001000110
31221011222022
43322301012
5230332032
634003142
711505404
oct3726106
91834868
101027142
11641786
124164b2
1329c69c
141ca474
15154512
hexfac46

1027142 has 8 divisors (see below), whose sum is σ = 1547832. Its totient is φ = 511200.

The previous prime is 1027139. The next prime is 1027153. The reversal of 1027142 is 2417201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1027142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (193479).

21027142 is an apocalyptic number.

1027142 is a deficient number, since it is larger than the sum of its proper divisors (520690).

1027142 is a wasteful number, since it uses less digits than its factorization.

1027142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1027142 is about 1013.4801428740. The cubic root of 1027142 is about 100.8966691466.

The spelling of 1027142 in words is "one million, twenty-seven thousand, one hundred forty-two".

Divisors: 1 2 241 482 2131 4262 513571 1027142