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11071140 = 2235374987
BaseRepresentation
bin101010001110…
…111010100100
3202211110202020
4222032322210
510313234030
61033143140
7163050243
oct52167244
922743666
1011071140
116281a03
12385aab0
1323a8292
14168295a
15e8a510
hexa8eea4

11071140 has 48 divisors (see below), whose sum is σ = 31843392. Its totient is φ = 2871936.

The previous prime is 11071133. The next prime is 11071153. The reversal of 11071140 is 4117011.

11071140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274 + ... + 4713.

It is an arithmetic number, because the mean of its divisors is an integer number (663404).

Almost surely, 211071140 is an apocalyptic number.

11071140 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 11071140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15921696).

11071140 is an abundant number, since it is smaller than the sum of its proper divisors (20772252).

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

11071140 is a wasteful number, since it uses less digits than its factorization.

11071140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036 (or 5034 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 11071140 is about 3327.3322647430. The cubic root of 11071140 is about 222.8764153991.

Adding to 11071140 its reverse (4117011), we get a palindrome (15188151).

It can be divided in two parts, 11071 and 140, that added together give a palindrome (11211).

The spelling of 11071140 in words is "eleven million, seventy-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 4987 9974 14961 19948 24935 29922 49870 59844 74805 99740 149610 184519 299220 369038 553557 738076 922595 1107114 1845190 2214228 2767785 3690380 5535570 11071140