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1042146 = 2347919
BaseRepresentation
bin11111110011011100010
31221221120000
43332123202
5231322041
634200430
711600220
oct3763342
91857500
101042146
11651a86
12423116
132a6471
141d1b10
15158bb6
hexfe6e2

1042146 has 40 divisors (see below), whose sum is σ = 2671680. Its totient is φ = 297432.

The previous prime is 1042141. The next prime is 1042183. The reversal of 1042146 is 6412401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1042141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 675 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (66792).

21042146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335840).

1042146 is an abundant number, since it is smaller than the sum of its proper divisors (1629534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042146 is an equidigital number, since it uses as much as digits as its factorization.

1042146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1042146 is about 1020.8555235683. The cubic root of 1042146 is about 101.3855796867.

Adding to 1042146 its reverse (6412401), we get a palindrome (7454547).

The spelling of 1042146 in words is "one million, forty-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 919 1134 1838 2757 5514 6433 8271 12866 16542 19299 24813 38598 49626 57897 74439 115794 148878 173691 347382 521073 1042146