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11305105 = 57323003
BaseRepresentation
bin101011001000…
…000010010001
3210021100200121
4223020002101
510343230410
61042150241
7165043330
oct53100221
923240617
1011305105
116421769
123952381
13245a916
141703d17
15ed49da
hexac8091

11305105 has 8 divisors (see below), whose sum is σ = 15504192. Its totient is φ = 7752048.

The previous prime is 11305067. The next prime is 11305109. The reversal of 11305105 is 50150311.

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 11305105 - 211 = 11303057 is a prime.

It is a super-2 number, since 2×113051052 = 255610798122050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11305109) 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, 161467 + ... + 161536.

It is an arithmetic number, because the mean of its divisors is an integer number (1938024).

Almost surely, 211305105 is an apocalyptic number.

It is an amenable number.

11305105 is a deficient number, since it is larger than the sum of its proper divisors (4199087).

11305105 is an equidigital number, since it uses as much as digits as its factorization.

11305105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323015.

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

The square root of 11305105 is about 3362.3065000086. The cubic root of 11305105 is about 224.4354902174.

Adding to 11305105 its reverse (50150311), we get a palindrome (61455416).

The spelling of 11305105 in words is "eleven million, three hundred five thousand, one hundred five".

Divisors: 1 5 7 35 323003 1615015 2261021 11305105