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11205023 = 17797827
BaseRepresentation
bin101010101111…
…100110011111
3210002021101212
4222233212133
510332030043
61040055035
7164145464
oct52574637
923067355
1011205023
116363555
12390447b
1324241bb
1416b966b
15eb5018
hexaaf99f

11205023 has 8 divisors (see below), whose sum is σ = 11893392. Its totient is φ = 10519936.

The previous prime is 11205017. The next prime is 11205031. The reversal of 11205023 is 32050211.

It is a happy number.

11205023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11205023 - 26 = 11204959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11204989 and 11205007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13136 + ... + 13962.

It is an arithmetic number, because the mean of its divisors is an integer number (1486674).

Almost surely, 211205023 is an apocalyptic number.

11205023 is a deficient number, since it is larger than the sum of its proper divisors (688369).

11205023 is an equidigital number, since it uses as much as digits as its factorization.

11205023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 11205023 is about 3347.3904761769. The cubic root of 11205023 is about 223.7712308849.

Adding to 11205023 its reverse (32050211), we get a palindrome (43255234).

The spelling of 11205023 in words is "eleven million, two hundred five thousand, twenty-three".

Divisors: 1 17 797 827 13549 14059 659119 11205023