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11030880 = 25357367
BaseRepresentation
bin101010000101…
…000101100000
3202202102112010
4222011011200
510310442010
61032232520
7162522000
oct52050540
922672463
1011030880
116254733
12383b740
132392b63
141672000
15e7d620
hexa85160

11030880 has 192 divisors, whose sum is σ = 41126400. Its totient is φ = 2483712.

The previous prime is 11030867. The next prime is 11030881. The reversal of 11030880 is 8803011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164607 + ... + 164673.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

Almost surely, 211030880 is an apocalyptic number.

11030880 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 11030880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20563200).

11030880 is an abundant number, since it is smaller than the sum of its proper divisors (30095520).

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

11030880 is an equidigital number, since it uses as much as digits as its factorization.

11030880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 11030880 is about 3321.2768628948. The cubic root of 11030880 is about 222.6059252408.

Adding to 11030880 its reverse (8803011), we get a palindrome (19833891).

The spelling of 11030880 in words is "eleven million, thirty thousand, eight hundred eighty".