Search a number
-
+
10672081 = 771109197
BaseRepresentation
bin101000101101…
…011111010001
3202002012100021
4220231133101
510213001311
61020423441
7156465640
oct50553721
922065307
1010672081
11602a102
1236a7b81
132298754
1415bb357
15e0c171
hexa2d7d1

10672081 has 16 divisors (see below), whose sum is σ = 12545280. Its totient is φ = 8890560.

The previous prime is 10672063. The next prime is 10672121. The reversal of 10672081 is 18027601.

It is not a de Polignac number, because 10672081 - 25 = 10672049 is a prime.

It is a super-2 number, since 2×106720812 = 227786625741122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10672001) 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 15 ways as a sum of consecutive naturals, for example, 54075 + ... + 54271.

It is an arithmetic number, because the mean of its divisors is an integer number (784080).

Almost surely, 210672081 is an apocalyptic number.

It is an amenable number.

10672081 is a deficient number, since it is larger than the sum of its proper divisors (1873199).

10672081 is a wasteful number, since it uses less digits than its factorization.

10672081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 10672081 is about 3266.8151156746. The cubic root of 10672081 is about 220.1657222404.

Adding to 10672081 its reverse (18027601), we get a palindrome (28699682).

The spelling of 10672081 in words is "ten million, six hundred seventy-two thousand, eighty-one".

Divisors: 1 7 71 109 197 497 763 1379 7739 13987 21473 54173 97909 150311 1524583 10672081