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11797645 = 52938053
BaseRepresentation
bin101101000000…
…010010001101
3211012101022211
4231000102031
511010011040
61100510421
7202164316
oct55002215
924171284
1011797645
116728822
123b4b411
1325a0b72
1417d160d
1510808ea
hexb4048d

11797645 has 8 divisors (see below), whose sum is σ = 14207256. Its totient is φ = 9404736.

The previous prime is 11797637. The next prime is 11797661. The reversal of 11797645 is 54679711.

It can be written as a sum of positive squares in 4 ways, for example, as 5391684 + 6405961 = 2322^2 + 2531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11797645 - 23 = 11797637 is a prime.

It is a super-3 number, since 3×117976453 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11797598 and 11797607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2562 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (1775907).

Almost surely, 211797645 is an apocalyptic number.

It is an amenable number.

11797645 is a deficient number, since it is larger than the sum of its proper divisors (2409611).

11797645 is an equidigital number, since it uses as much as digits as its factorization.

11797645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351.

The product of its digits is 52920, while the sum is 40.

The square root of 11797645 is about 3434.7700068564. The cubic root of 11797645 is about 227.6486650571.

The spelling of 11797645 in words is "eleven million, seven hundred ninety-seven thousand, six hundred forty-five".

Divisors: 1 5 293 1465 8053 40265 2359529 11797645