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11055013 = 25494337
BaseRepresentation
bin101010001010…
…111110100101
3202210122121221
4222022332211
510312230023
61032540341
7162652234
oct52127645
922718557
1011055013
116270882
1238516b1
1323a0b38
14167ab1b
15e8585d
hexa8afa5

11055013 has 4 divisors (see below), whose sum is σ = 11061900. Its totient is φ = 11048128.

The previous prime is 11055001. The next prime is 11055029. The reversal of 11055013 is 31055011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4588164 + 6466849 = 2142^2 + 2543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11055013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 381 + ... + 4717.

It is an arithmetic number, because the mean of its divisors is an integer number (2765475).

Almost surely, 211055013 is an apocalyptic number.

It is an amenable number.

11055013 is a deficient number, since it is larger than the sum of its proper divisors (6887).

11055013 is an equidigital number, since it uses as much as digits as its factorization.

11055013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 11055013 is about 3324.9079686512. The cubic root of 11055013 is about 222.7681436639.

The spelling of 11055013 in words is "eleven million, fifty-five thousand, thirteen".

Divisors: 1 2549 4337 11055013