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1112980 = 225115059
BaseRepresentation
bin100001111101110010100
32002112201111
410033232110
5241103410
635504404
712313561
oct4175624
92075644
101112980
116a0220
12458104
132cc78b
1420d868
1516eb8a
hex10fb94

1112980 has 24 divisors (see below), whose sum is σ = 2550240. Its totient is φ = 404640.

The previous prime is 1112977. The next prime is 1112983. The reversal of 1112980 is 892111.

It is an interprime number because it is at equal distance from previous prime (1112977) and next prime (1112983).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112983) 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 7 ways as a sum of consecutive naturals, for example, 2310 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (106260).

21112980 is an apocalyptic number.

1112980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112980 is an abundant number, since it is smaller than the sum of its proper divisors (1437260).

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

1112980 is a wasteful number, since it uses less digits than its factorization.

1112980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079 (or 5077 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1112980 is about 1054.9786727702. The cubic root of 1112980 is about 103.6324550603.

The spelling of 1112980 in words is "one million, one hundred twelve thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5059 10118 20236 25295 50590 55649 101180 111298 222596 278245 556490 1112980