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1131042 = 231117137
BaseRepresentation
bin100010100001000100010
32010110111110
410110020202
5242143132
640124150
712420333
oct4241042
92113443
101131042
11702850
12466656
13307a73
1421628a
151751cc
hex114222

1131042 has 16 divisors (see below), whose sum is σ = 2467872. Its totient is φ = 342720.

The previous prime is 1131023. The next prime is 1131047. The reversal of 1131042 is 2401311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1131047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8503 + ... + 8634.

It is an arithmetic number, because the mean of its divisors is an integer number (154242).

21131042 is an apocalyptic number.

1131042 is an abundant number, since it is smaller than the sum of its proper divisors (1336830).

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

1131042 is a wasteful number, since it uses less digits than its factorization.

1131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17153.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1131042 is about 1063.5045839111. The cubic root of 1131042 is about 104.1900494352.

Adding to 1131042 its reverse (2401311), we get a palindrome (3532353).

The spelling of 1131042 in words is "one million, one hundred thirty-one thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 17137 34274 51411 102822 188507 377014 565521 1131042