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11072140 = 225553607
BaseRepresentation
bin101010001111…
…001010001100
3202211112010021
4222033022030
510313302030
61033151524
7163053202
oct52171214
922745107
1011072140
116282732
12385b5a4
1323a8881
141683072
15e8a97a
hexa8f28c

11072140 has 12 divisors (see below), whose sum is σ = 23251536. Its totient is φ = 4428848.

The previous prime is 11072123. The next prime is 11072141. The reversal of 11072140 is 4127011.

It is not an unprimeable number, because it can be changed into a prime (11072141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276784 + ... + 276823.

It is an arithmetic number, because the mean of its divisors is an integer number (1937628).

Almost surely, 211072140 is an apocalyptic number.

11072140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11072140 is an abundant number, since it is smaller than the sum of its proper divisors (12179396).

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

11072140 is a wasteful number, since it uses less digits than its factorization.

11072140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553616 (or 553614 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 11072140 is about 3327.4825318850. The cubic root of 11072140 is about 222.8831256297.

Adding to 11072140 its reverse (4127011), we get a palindrome (15199151).

The spelling of 11072140 in words is "eleven million, seventy-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 553607 1107214 2214428 2768035 5536070 11072140