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20504301 = 311096163
BaseRepresentation
bin100111000110…
…1111011101101
31102120201121120
41032031323231
520222114201
62011251153
7336166206
oct116157355
942521546
1020504301
1110635204
126a49ab9
13432bb2c
142a1a5ad
151c00536
hex138deed

20504301 has 8 divisors (see below), whose sum is σ = 27368160. Its totient is φ = 13654992.

The previous prime is 20504221. The next prime is 20504353. The reversal of 20504301 is 10340502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20504301 - 217 = 20373229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20504381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (3421020).

Almost surely, 220504301 is an apocalyptic number.

It is an amenable number.

20504301 is a deficient number, since it is larger than the sum of its proper divisors (6863859).

20504301 is a wasteful number, since it uses less digits than its factorization.

20504301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20504301 is about 4528.1675101524. The cubic root of 20504301 is about 273.7043225637.

Adding to 20504301 its reverse (10340502), we get a palindrome (30844803).

The spelling of 20504301 in words is "twenty million, five hundred four thousand, three hundred one".

Divisors: 1 3 1109 3327 6163 18489 6834767 20504301