Search a number
-
+
32660161 = 231797933
BaseRepresentation
bin111110010010…
…1101011000001
32021110022022121
41330211223001
531330111121
63124004241
7544415062
oct174455301
967408277
1032660161
1117488076
12ab30681
1369c6a51
1444a2569
152d02141
hex1f25ac1

32660161 has 8 divisors (see below), whose sum is σ = 34274880. Its totient is φ = 31061712.

The previous prime is 32660153. The next prime is 32660171. The reversal of 32660161 is 16106623.

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 32660161 - 23 = 32660153 is a prime.

It is a super-2 number, since 2×326601612 = 2133372233091842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32660141) 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 7 ways as a sum of consecutive naturals, for example, 151 + ... + 8083.

It is an arithmetic number, because the mean of its divisors is an integer number (4284360).

Almost surely, 232660161 is an apocalyptic number.

It is an amenable number.

32660161 is a deficient number, since it is larger than the sum of its proper divisors (1614719).

32660161 is a wasteful number, since it uses less digits than its factorization.

32660161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 32660161 is about 5714.9069108779. The cubic root of 32660161 is about 319.6485757955.

Adding to 32660161 its reverse (16106623), we get a palindrome (48766784).

The spelling of 32660161 in words is "thirty-two million, six hundred sixty thousand, one hundred sixty-one".

Divisors: 1 23 179 4117 7933 182459 1420007 32660161