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11331297 = 321259033
BaseRepresentation
bin101011001110…
…011011100001
3210022200121200
4223032123201
510400100142
61042511413
7165212565
oct53163341
923280550
1011331297
11643a40a
123965569
132469813
14170d6a5
15edc64c
hexace6e1

11331297 has 6 divisors (see below), whose sum is σ = 16367442. Its totient is φ = 7554192.

The previous prime is 11331289. The next prime is 11331311. The reversal of 11331297 is 79213311.

It can be written as a sum of positive squares in only one way, i.e., 9492561 + 1838736 = 3081^2 + 1356^2 .

It is not a de Polignac number, because 11331297 - 23 = 11331289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11331297.

It is not an unprimeable number, because it can be changed into a prime (11331217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629508 + ... + 629525.

It is an arithmetic number, because the mean of its divisors is an integer number (2727907).

Almost surely, 211331297 is an apocalyptic number.

It is an amenable number.

11331297 is a deficient number, since it is larger than the sum of its proper divisors (5036145).

11331297 is a wasteful number, since it uses less digits than its factorization.

11331297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259039 (or 1259036 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 11331297 is about 3366.1991919671. The cubic root of 11331297 is about 224.6086827834.

It can be divided in two parts, 11331 and 297, that added together give a triangular number (11628 = T152).

The spelling of 11331297 in words is "eleven million, three hundred thirty-one thousand, two hundred ninety-seven".

Divisors: 1 3 9 1259033 3777099 11331297