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20604301 = 37896257
BaseRepresentation
bin100111010011…
…0010110001101
31102202210210021
41032212112031
520233314201
62013342141
7340063564
oct116462615
942683707
1020604301
11106a3353
126a97951
1343654c3
142a44bdb
151c1eea1
hex13a658d

20604301 has 8 divisors (see below), whose sum is σ = 21402360. Its totient is φ = 19819008.

The previous prime is 20604299. The next prime is 20604317. The reversal of 20604301 is 10340602.

It can be written as a sum of positive squares in 4 ways, for example, as 10530025 + 10074276 = 3245^2 + 3174^2 .

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 20604301 - 21 = 20604299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20604601) 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, 165 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (2675295).

Almost surely, 220604301 is an apocalyptic number.

It is an amenable number.

20604301 is a deficient number, since it is larger than the sum of its proper divisors (798059).

20604301 is an equidigital number, since it uses as much as digits as its factorization.

20604301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20604301 is about 4539.1960741964. The cubic root of 20604301 is about 274.1485554914.

Adding to 20604301 its reverse (10340602), we get a palindrome (30944903).

The spelling of 20604301 in words is "twenty million, six hundred four thousand, three hundred one".

Divisors: 1 37 89 3293 6257 231509 556873 20604301