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11130847 = 7132972
BaseRepresentation
bin101010011101…
…011111011111
3202221111122121
4222131133133
510322141342
61034323411
7163416310
oct52353737
922844577
1011130847
116312852
123889567
1323c9500
14169a607
15e9d067
hexa9d7df

11130847 has 18 divisors (see below), whose sum is σ = 13918248. Its totient is φ = 8716032.

The previous prime is 11130817. The next prime is 11130859. The reversal of 11130847 is 74803111.

It is a de Polignac number, because none of the positive numbers 2k-11130847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 114703 + ... + 114799.

It is an arithmetic number, because the mean of its divisors is an integer number (773236).

Almost surely, 211130847 is an apocalyptic number.

11130847 is a deficient number, since it is larger than the sum of its proper divisors (2787401).

11130847 is an frugal number, since it uses more digits than its factorization.

11130847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11130847 is about 3336.2924032524. The cubic root of 11130847 is about 223.2763570901.

Adding to 11130847 its reverse (74803111), we get a palindrome (85933958).

The spelling of 11130847 in words is "eleven million, one hundred thirty thousand, eight hundred forty-seven".

Divisors: 1 7 13 91 97 169 679 1183 1261 8827 9409 16393 65863 114751 122317 856219 1590121 11130847