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11247071 = 11292951
BaseRepresentation
bin101010111001…
…110111011111
3210011102002012
4222321313133
510334401241
61041021435
7164412203
oct52716737
923142065
1011247071
116392100
12392487b
13243a394
1416cab03
15ec26eb
hexab9ddf

11247071 has 6 divisors (see below), whose sum is σ = 12362616. Its totient is φ = 10224500.

The previous prime is 11247011. The next prime is 11247083. The reversal of 11247071 is 17074211.

It is not a de Polignac number, because 11247071 - 26 = 11247007 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 (11247011) 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 5 ways as a sum of consecutive naturals, for example, 46355 + ... + 46596.

It is an arithmetic number, because the mean of its divisors is an integer number (2060436).

Almost surely, 211247071 is an apocalyptic number.

11247071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11247071 is a deficient number, since it is larger than the sum of its proper divisors (1115545).

11247071 is an equidigital number, since it uses as much as digits as its factorization.

11247071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92973 (or 92962 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 11247071 is about 3353.6653082858. The cubic root of 11247071 is about 224.0507896630.

The spelling of 11247071 in words is "eleven million, two hundred forty-seven thousand, seventy-one".

Divisors: 1 11 121 92951 1022461 11247071