Search a number
-
+
20606607 = 327246727
BaseRepresentation
bin100111010011…
…0111010001111
31102202220221200
41032212322033
520233402412
62013400543
7340103400
oct116467217
942686850
1020606607
11106a505a
126a99153
134366578
142a459a7
151c209dc
hex13a6e8f

20606607 has 18 divisors (see below), whose sum is σ = 34625448. Its totient is φ = 11774952.

The previous prime is 20606563. The next prime is 20606627. The reversal of 20606607 is 70660602.

It is not a de Polignac number, because 20606607 - 27 = 20606479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20606627) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22923 + ... + 23804.

It is an arithmetic number, because the mean of its divisors is an integer number (1923636).

Almost surely, 220606607 is an apocalyptic number.

20606607 is a deficient number, since it is larger than the sum of its proper divisors (14018841).

20606607 is a wasteful number, since it uses less digits than its factorization.

20606607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46747 (or 46737 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20606607 is about 4539.4500768265. The cubic root of 20606607 is about 274.1587825307.

The spelling of 20606607 in words is "twenty million, six hundred six thousand, six hundred seven".

Divisors: 1 3 7 9 21 49 63 147 441 46727 140181 327089 420543 981267 2289623 2943801 6868869 20606607