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1142894 = 24791193
BaseRepresentation
bin100010111000001101110
32011001202102
410113001232
5243033034
640255102
712500024
oct4270156
92131672
101142894
11710745
12471492
1331028c
1421a714
1517897e
hex11706e

1142894 has 8 divisors (see below), whose sum is σ = 1719360. Its totient is φ = 569776.

The previous prime is 1142891. The next prime is 1142909. The reversal of 1142894 is 4982411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142891) 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, 362 + ... + 1554.

It is an arithmetic number, because the mean of its divisors is an integer number (214920).

21142894 is an apocalyptic number.

1142894 is a deficient number, since it is larger than the sum of its proper divisors (576466).

1142894 is a wasteful number, since it uses less digits than its factorization.

1142894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its digits is 2304, while the sum is 29.

The square root of 1142894 is about 1069.0622058608. The cubic root of 1142894 is about 104.5527156325.

The spelling of 1142894 in words is "one million, one hundred forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 479 958 1193 2386 571447 1142894