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20064601 = 40794919
BaseRepresentation
bin100110010001…
…0100101011001
31101202101110101
41030202211121
520114031401
61554015401
7332355244
oct114424531
941671411
1020064601
1110364917
126877561
13420695b
14294425b
151b65101
hex1322959

20064601 has 4 divisors (see below), whose sum is σ = 20073600. Its totient is φ = 20055604.

The previous prime is 20064593. The next prime is 20064631. The reversal of 20064601 is 10646002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20064601 - 23 = 20064593 is a prime.

It is a super-3 number, since 3×200646013 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20064631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1620 + ... + 6538.

It is an arithmetic number, because the mean of its divisors is an integer number (5018400).

Almost surely, 220064601 is an apocalyptic number.

It is an amenable number.

20064601 is a deficient number, since it is larger than the sum of its proper divisors (8999).

20064601 is an equidigital number, since it uses as much as digits as its factorization.

20064601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8998.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20064601 is about 4479.3527434218. The cubic root of 20064601 is about 271.7337043756.

The spelling of 20064601 in words is "twenty million, sixty-four thousand, six hundred one".

Divisors: 1 4079 4919 20064601