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11805227 = 72892707
BaseRepresentation
bin101101000010…
…001000101011
3211012202201122
4231002020223
511010231402
61101005455
7202225400
oct55021053
924182648
1011805227
116733495
123b5388b
1325a4455
1417d42a7
151082ca2
hexb4222b

11805227 has 12 divisors (see below), whose sum is σ = 13892040. Its totient is φ = 10001376.

The previous prime is 11805221. The next prime is 11805247. The reversal of 11805227 is 72250811.

It is not a de Polignac number, because 11805227 - 26 = 11805163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11805196 and 11805205.

It is not an unprimeable number, because it can be changed into a prime (11805221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3008 + ... + 5714.

It is an arithmetic number, because the mean of its divisors is an integer number (1157670).

Almost surely, 211805227 is an apocalyptic number.

11805227 is a deficient number, since it is larger than the sum of its proper divisors (2086813).

11805227 is an equidigital number, since it uses as much as digits as its factorization.

11805227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 11805227 is about 3435.8735424925. The cubic root of 11805227 is about 227.6974223176.

The spelling of 11805227 in words is "eleven million, eight hundred five thousand, two hundred twenty-seven".

Divisors: 1 7 49 89 623 2707 4361 18949 132643 240923 1686461 11805227