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11064881 = 4725009
BaseRepresentation
bin101010001101…
…011000110001
3202211011011102
4222031120301
510313034011
61033054145
7163023062
oct52153061
922734142
1011064881
116278233
123857355
1323a5489
141680569
15e8873b
hexa8d631

11064881 has 6 divisors (see below), whose sum is σ = 11307570. Its totient is φ = 10827296.

The previous prime is 11064871. The next prime is 11064901. The reversal of 11064881 is 18846011.

It can be written as a sum of positive squares in only one way, i.e., 9333025 + 1731856 = 3055^2 + 1316^2 .

It is a de Polignac number, because none of the positive numbers 2k-11064881 is a prime.

It is a super-2 number, since 2×110648812 = 244863183088322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11064871) 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 5 ways as a sum of consecutive naturals, for example, 296 + ... + 4713.

It is an arithmetic number, because the mean of its divisors is an integer number (1884595).

Almost surely, 211064881 is an apocalyptic number.

It is an amenable number.

11064881 is a deficient number, since it is larger than the sum of its proper divisors (242689).

11064881 is an frugal number, since it uses more digits than its factorization.

11064881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 11064881 is about 3326.3915884935. The cubic root of 11064881 is about 222.8344068842.

The spelling of 11064881 in words is "eleven million, sixty-four thousand, eight hundred eighty-one".

Divisors: 1 47 2209 5009 235423 11064881