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11068540 = 2257173457
BaseRepresentation
bin101010001110…
…010001111100
3202211100011221
4222032101330
510313143130
61033123124
7163036540
oct52162174
922740157
1011068540
11627aa5a
1238594a4
1323a7042
141681a20
15e8987a
hexa8e47c

11068540 has 48 divisors (see below), whose sum is σ = 26776512. Its totient is φ = 3764736.

The previous prime is 11068537. The next prime is 11068549. The reversal of 11068540 is 4586011.

11068540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11068549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23992 + ... + 24448.

It is an arithmetic number, because the mean of its divisors is an integer number (557844).

Almost surely, 211068540 is an apocalyptic number.

11068540 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 11068540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13388256).

11068540 is an abundant number, since it is smaller than the sum of its proper divisors (15707972).

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

11068540 is a wasteful number, since it uses less digits than its factorization.

11068540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 11068540 is about 3326.9415384103. The cubic root of 11068540 is about 222.8589669085.

The spelling of 11068540 in words is "eleven million, sixty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 173 346 457 692 865 914 1211 1730 1828 2285 2422 3199 3460 4570 4844 6055 6398 9140 12110 12796 15995 24220 31990 63980 79061 158122 316244 395305 553427 790610 1106854 1581220 2213708 2767135 5534270 11068540