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20243201 = 1110871693
BaseRepresentation
bin100110100111…
…0001100000001
31102002110110012
41031032030001
520140240301
62001514305
7334031036
oct115161401
942073405
1020243201
1110477020
126942995
13426a034
14298d38d
151b9cebb
hex134e301

20243201 has 8 divisors (see below), whose sum is σ = 22116864. Its totient is φ = 18375120.

The previous prime is 20243177. The next prime is 20243203. The reversal of 20243201 is 10234202.

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 20243201 - 26 = 20243137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20243203) 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, 11111 + ... + 12803.

It is an arithmetic number, because the mean of its divisors is an integer number (2764608).

Almost surely, 220243201 is an apocalyptic number.

It is an amenable number.

20243201 is a deficient number, since it is larger than the sum of its proper divisors (1873663).

20243201 is a wasteful number, since it uses less digits than its factorization.

20243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20243201 is about 4499.2444921342. The cubic root of 20243201 is about 272.5375803177.

Adding to 20243201 its reverse (10234202), we get a palindrome (30477403).

It can be divided in two parts, 2024 and 3201, that added together give a palindrome (5225).

The spelling of 20243201 in words is "twenty million, two hundred forty-three thousand, two hundred one".

Divisors: 1 11 1087 1693 11957 18623 1840291 20243201