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11320245 = 325251561
BaseRepresentation
bin101011001011…
…101110110101
3210022010110100
4223023232311
510344221440
61042344313
7165135426
oct53135665
923263410
1011320245
116432082
12395b099
132464791
14170964d
15ed9230
hexacbbb5

11320245 has 12 divisors (see below), whose sum is σ = 19621836. Its totient is φ = 6037440.

The previous prime is 11320229. The next prime is 11320247. The reversal of 11320245 is 54202311.

It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 9979281 = 1158^2 + 3159^2 .

It is not a de Polignac number, because 11320245 - 24 = 11320229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320247) 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, 125736 + ... + 125825.

It is an arithmetic number, because the mean of its divisors is an integer number (1635153).

Almost surely, 211320245 is an apocalyptic number.

11320245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11320245 is a deficient number, since it is larger than the sum of its proper divisors (8301591).

11320245 is a wasteful number, since it uses less digits than its factorization.

11320245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251572 (or 251569 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11320245 is about 3364.5571774009. The cubic root of 11320245 is about 224.5356348743.

Adding to 11320245 its reverse (54202311), we get a palindrome (65522556).

The spelling of 11320245 in words is "eleven million, three hundred twenty thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 251561 754683 1257805 2264049 3773415 11320245