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11090501 = 20895309
BaseRepresentation
bin101010010011…
…101001000101
3202212110022022
4222103221011
510314344001
61033412525
7163160552
oct52235105
922773268
1011090501
116295504
12386a145
1323b4036
141689a29
15e9111b
hexa93a45

11090501 has 4 divisors (see below), whose sum is σ = 11097900. Its totient is φ = 11083104.

The previous prime is 11090483. The next prime is 11090503. The reversal of 11090501 is 10509011.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10509011 = 19155021.

It can be written as a sum of positive squares in 2 ways, for example, as 3940225 + 7150276 = 1985^2 + 2674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11090501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11090501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090503) 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, 566 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (2774475).

Almost surely, 211090501 is an apocalyptic number.

It is an amenable number.

11090501 is a deficient number, since it is larger than the sum of its proper divisors (7399).

11090501 is an equidigital number, since it uses as much as digits as its factorization.

11090501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 11090501 is about 3330.2403817142. The cubic root of 11090501 is about 223.0062604234.

Adding to 11090501 its reverse (10509011), we get a palindrome (21599512).

The spelling of 11090501 in words is "eleven million, ninety thousand, five hundred one".

Divisors: 1 2089 5309 11090501