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11025813 = 33675271
BaseRepresentation
bin101010000011…
…110110010101
3202202011120110
4222003312111
510310311223
61032153233
7162501141
oct52036625
922664513
1011025813
116250947
123838819
132390766
141670221
15e7bd93
hexa83d95

11025813 has 4 divisors (see below), whose sum is σ = 14701088. Its totient is φ = 7350540.

The previous prime is 11025799. The next prime is 11025821. The reversal of 11025813 is 31852011.

11025813 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31852011 = 310617337.

It is not a de Polignac number, because 11025813 - 214 = 11009429 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 11025813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11025853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837633 + ... + 1837638.

It is an arithmetic number, because the mean of its divisors is an integer number (3675272).

Almost surely, 211025813 is an apocalyptic number.

It is an amenable number.

11025813 is a deficient number, since it is larger than the sum of its proper divisors (3675275).

11025813 is an equidigital number, since it uses as much as digits as its factorization.

11025813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675274.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11025813 is about 3320.5139662408. The cubic root of 11025813 is about 222.5718355770.

Adding to 11025813 its reverse (31852011), we get a palindrome (42877824).

The spelling of 11025813 in words is "eleven million, twenty-five thousand, eight hundred thirteen".

Divisors: 1 3 3675271 11025813