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13753161 = 321977757
BaseRepresentation
bin110100011101…
…101101001001
3221212201210100
4310131231021
512010100121
61210440013
7224620452
oct64355511
927781710
1013753161
117843a54
124733009
132b06c86
141b80129
15131a026
hexd1db49

13753161 has 12 divisors (see below), whose sum is σ = 19969092. Its totient is φ = 9121056.

The previous prime is 13753141. The next prime is 13753171. The reversal of 13753161 is 16135731.

It can be written as a sum of positive squares in 2 ways, for example, as 12638025 + 1115136 = 3555^2 + 1056^2 .

It is not a de Polignac number, because 13753161 - 29 = 13752649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13753111) 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 11 ways as a sum of consecutive naturals, for example, 2106 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (1664091).

Almost surely, 213753161 is an apocalyptic number.

It is an amenable number.

13753161 is a deficient number, since it is larger than the sum of its proper divisors (6215931).

13753161 is a wasteful number, since it uses less digits than its factorization.

13753161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7960 (or 7957 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 13753161 is about 3708.5254482071. The cubic root of 13753161 is about 239.5893498443.

Adding to 13753161 its reverse (16135731), we get a palindrome (29888892).

The spelling of 13753161 in words is "thirteen million, seven hundred fifty-three thousand, one hundred sixty-one".

Divisors: 1 3 9 197 591 1773 7757 23271 69813 1528129 4584387 13753161