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11040055 = 5131797103
BaseRepresentation
bin101010000111…
…010100110111
3202202220002221
4222013110313
510311240210
61032343211
7162560515
oct52072467
922686087
1011040055
116260614
123844b07
1323970a0
1416754b5
15e811da
hexa87537

11040055 has 32 divisors (see below), whose sum is σ = 15410304. Its totient is φ = 7520256.

The previous prime is 11040047. The next prime is 11040067. The reversal of 11040055 is 55004011.

It is a happy number.

It is not a de Polignac number, because 11040055 - 23 = 11040047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107134 + ... + 107236.

It is an arithmetic number, because the mean of its divisors is an integer number (481572).

Almost surely, 211040055 is an apocalyptic number.

11040055 is a deficient number, since it is larger than the sum of its proper divisors (4370249).

11040055 is a wasteful number, since it uses less digits than its factorization.

11040055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 11040055 is about 3322.6578216843. The cubic root of 11040055 is about 222.6676260711.

Adding to 11040055 its reverse (55004011), we get a palindrome (66044066).

The spelling of 11040055 in words is "eleven million, forty thousand, fifty-five".

Divisors: 1 5 13 17 65 85 97 103 221 485 515 1105 1261 1339 1649 1751 6305 6695 8245 8755 9991 21437 22763 49955 107185 113815 129883 169847 649415 849235 2208011 11040055