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1066980 = 223517783
BaseRepresentation
bin100000100011111100100
32000012121210
410010133210
5233120410
634511420
712032505
oct4043744
92005553
101066980
11669702
12435570
132b4865
141dabac
15161220
hex1047e4

1066980 has 24 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 284512.

The previous prime is 1066979. The next prime is 1066981. The reversal of 1066980 is 896601.

It is an interprime number because it is at equal distance from previous prime (1066979) and next prime (1066981).

It is a super-2 number, since 2×10669802 = 2276892640800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1066981) 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, 8832 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

21066980 is an apocalyptic number.

1066980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066980 is an abundant number, since it is smaller than the sum of its proper divisors (1920732).

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

1066980 is a wasteful number, since it uses less digits than its factorization.

1066980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17795 (or 17793 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1066980 is about 1032.9472396981. The cubic root of 1066980 is about 102.1845946017.

The spelling of 1066980 in words is "one million, sixty-six thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 17783 35566 53349 71132 88915 106698 177830 213396 266745 355660 533490 1066980