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1142086 = 21151913
BaseRepresentation
bin100010110110101000110
32011000122111
410112311012
5243021321
640251234
712464461
oct4266506
92130574
101142086
11710080
12470b1a
1330caba
1421a2d8
151785e1
hex116d46

1142086 has 8 divisors (see below), whose sum is σ = 1868904. Its totient is φ = 519120.

The previous prime is 1142083. The next prime is 1142129. The reversal of 1142086 is 6802411.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 51913 = 1142086 / (1 + 1 + 4 + 2 + 0 + 8 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142083) 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, 25935 + ... + 25978.

It is an arithmetic number, because the mean of its divisors is an integer number (233613).

21142086 is an apocalyptic number.

1142086 is a deficient number, since it is larger than the sum of its proper divisors (726818).

1142086 is a wasteful number, since it uses less digits than its factorization.

1142086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51926.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1142086 is about 1068.6842377428. The cubic root of 1142086 is about 104.5280710285.

Adding to 1142086 its reverse (6802411), we get a palindrome (7944497).

The spelling of 1142086 in words is "one million, one hundred forty-two thousand, eighty-six".

Divisors: 1 2 11 22 51913 103826 571043 1142086