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11235161 = 72376197
BaseRepresentation
bin101010110110…
…111101011001
3210010210202002
4222312331121
510334011121
61040450345
7164332400
oct52667531
923123662
1011235161
116384163
1239199b5
132434b32
1416c6637
15ebde0b
hexab6f59

11235161 has 12 divisors (see below), whose sum is σ = 13424868. Its totient is φ = 9368352.

The previous prime is 11235131. The next prime is 11235167. The reversal of 11235161 is 16153211.

It can be written as a sum of positive squares in 2 ways, for example, as 7529536 + 3705625 = 2744^2 + 1925^2 .

It is a de Polignac number, because none of the positive numbers 2k-11235161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11235167) 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, 1286 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (1118739).

Almost surely, 211235161 is an apocalyptic number.

It is an amenable number.

11235161 is a deficient number, since it is larger than the sum of its proper divisors (2189707).

11235161 is an equidigital number, since it uses as much as digits as its factorization.

11235161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248 (or 6241 counting only the distinct ones).

The product of its digits is 180, while the sum is 20.

The square root of 11235161 is about 3351.8891688121. The cubic root of 11235161 is about 223.9716761062.

Adding to 11235161 its reverse (16153211), we get a palindrome (27388372).

The spelling of 11235161 in words is "eleven million, two hundred thirty-five thousand, one hundred sixty-one".

Divisors: 1 7 37 49 259 1813 6197 43379 229289 303653 1605023 11235161