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11141805 = 353971871
BaseRepresentation
bin101010100000…
…001010101101
3202222001200110
4222200022231
510323014210
61034450233
7163463253
oct52401255
922861613
1011141805
116320004
123893979
1324014ac
1416a05d3
15ea1420
hexaa02ad

11141805 has 16 divisors (see below), whose sum is σ = 17881344. Its totient is φ = 5924160.

The previous prime is 11141797. The next prime is 11141831. The reversal of 11141805 is 50814111.

It is a happy number.

It is not a de Polignac number, because 11141805 - 23 = 11141797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5020 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (1117584).

Almost surely, 211141805 is an apocalyptic number.

11141805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11141805 is a deficient number, since it is larger than the sum of its proper divisors (6739539).

11141805 is a wasteful number, since it uses less digits than its factorization.

11141805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 11141805 is about 3337.9342414134. The cubic root of 11141805 is about 223.3496027850.

Adding to 11141805 its reverse (50814111), we get a palindrome (61955916).

The spelling of 11141805 in words is "eleven million, one hundred forty-one thousand, eight hundred five".

Divisors: 1 3 5 15 397 1191 1871 1985 5613 5955 9355 28065 742787 2228361 3713935 11141805