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1027080 = 23345317
BaseRepresentation
bin11111010110000001000
31221011220000
43322300020
5230331310
634003000
711505255
oct3726010
91834800
101027080
1164172a
12416460
1329c652
141ca42c
151544c0
hexfac08

1027080 has 80 divisors (see below), whose sum is σ = 3463020. Its totient is φ = 273024.

The previous prime is 1027067. The next prime is 1027097. The reversal of 1027080 is 807201.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 116964 = 954^2 + 342^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3082 + ... + 3398.

21027080 is an apocalyptic number.

1027080 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 1027080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731510).

1027080 is an abundant number, since it is smaller than the sum of its proper divisors (2435940).

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

1027080 is a wasteful number, since it uses less digits than its factorization.

1027080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1027080 is about 1013.4495547387. The cubic root of 1027080 is about 100.8946390088.

The spelling of 1027080 in words is "one million, twenty-seven thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 317 324 360 405 540 634 648 810 951 1080 1268 1585 1620 1902 2536 2853 3170 3240 3804 4755 5706 6340 7608 8559 9510 11412 12680 14265 17118 19020 22824 25677 28530 34236 38040 42795 51354 57060 68472 85590 102708 114120 128385 171180 205416 256770 342360 513540 1027080