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1116380 = 22555819
BaseRepresentation
bin100010000100011011100
32002201101102
410100203130
5241211010
635532232
712326516
oct4204334
92081342
101116380
116a2831
1245a078
133011a5
14210bb6
15170ba5
hex1108dc

1116380 has 12 divisors (see below), whose sum is σ = 2344440. Its totient is φ = 446544.

The previous prime is 1116371. The next prime is 1116419. The reversal of 1116380 is 836111.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 55819 = 1116380 / (1 + 1 + 1 + 6 + 3 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27890 + ... + 27929.

It is an arithmetic number, because the mean of its divisors is an integer number (195370).

21116380 is an apocalyptic number.

1116380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116380 is an abundant number, since it is smaller than the sum of its proper divisors (1228060).

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

1116380 is a wasteful number, since it uses less digits than its factorization.

1116380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55828 (or 55826 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1116380 is about 1056.5888509728. The cubic root of 1116380 is about 103.7378753916.

The spelling of 1116380 in words is "one million, one hundred sixteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 55819 111638 223276 279095 558190 1116380