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1080940 = 225721103
BaseRepresentation
bin100000111111001101100
32000220202211
410013321230
5234042230
635100204
712121300
oct4077154
92026684
101080940
11679143
12441664
132bb013
14201d00
1516542a
hex107e6c

1080940 has 36 divisors (see below), whose sum is σ = 2642976. Its totient is φ = 370272.

The previous prime is 1080923. The next prime is 1080941. The reversal of 1080940 is 490801.

It is not an unprimeable number, because it can be changed into a prime (1080941) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 429 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (73416).

21080940 is an apocalyptic number.

1080940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321488).

1080940 is an abundant number, since it is smaller than the sum of its proper divisors (1562036).

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

1080940 is a wasteful number, since it uses less digits than its factorization.

1080940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1080940 is about 1039.6826438871. The cubic root of 1080940 is about 102.6283144168.

The spelling of 1080940 in words is "one million, eighty thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 1103 2206 4412 5515 7721 11030 15442 22060 30884 38605 54047 77210 108094 154420 216188 270235 540470 1080940