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11080000 = 2654277
BaseRepresentation
bin101010010001…
…000101000000
3202211220220101
4222101011000
510314030000
61033252144
7163115131
oct52210500
922756811
1011080000
116288628
123864054
1323ac319
141685c88
15e8ce6a
hexa91140

11080000 has 70 divisors (see below), whose sum is σ = 27573986. Its totient is φ = 4416000.

The previous prime is 11079967. The next prime is 11080007. The reversal of 11080000 is 8011.

It can be written as a sum of positive squares in 5 ways, for example, as 6310144 + 4769856 = 2512^2 + 2184^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11080007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39862 + ... + 40138.

Almost surely, 211080000 is an apocalyptic number.

11080000 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 11080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13786993).

11080000 is an abundant number, since it is smaller than the sum of its proper divisors (16493986).

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

11080000 is an frugal number, since it uses more digits than its factorization.

11080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11080000 is about 3328.6633954186. The cubic root of 11080000 is about 222.9358539787.

Adding to 11080000 its reverse (8011), we get a palindrome (11088011).

The spelling of 11080000 in words is "eleven million, eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 277 320 400 500 554 625 800 1000 1108 1250 1385 1600 2000 2216 2500 2770 4000 4432 5000 5540 6925 8000 8864 10000 11080 13850 17728 20000 22160 27700 34625 40000 44320 55400 69250 88640 110800 138500 173125 221600 277000 346250 443200 554000 692500 1108000 1385000 2216000 2770000 5540000 11080000