Search a number
-
+
20242001 = 132367699
BaseRepresentation
bin100110100110…
…1111001010001
31102002101210202
41031031321101
520140221001
62001504545
7334024403
oct115157121
942071722
1020242001
111047612a
126942155
134269620
14298cb73
151b9c96b
hex134de51

20242001 has 8 divisors (see below), whose sum is σ = 22747200. Its totient is φ = 17872272.

The previous prime is 20241979. The next prime is 20242009. The reversal of 20242001 is 10024202.

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 20242001 - 210 = 20240977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20242009) 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, 33551 + ... + 34148.

It is an arithmetic number, because the mean of its divisors is an integer number (2843400).

Almost surely, 220242001 is an apocalyptic number.

It is an amenable number.

20242001 is a deficient number, since it is larger than the sum of its proper divisors (2505199).

20242001 is a wasteful number, since it uses less digits than its factorization.

20242001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67735.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20242001 is about 4499.1111344353. Note that the first 4 decimals coincide. The cubic root of 20242001 is about 272.5321949448.

Adding to 20242001 its reverse (10024202), we get a palindrome (30266203).

The spelling of 20242001 in words is "twenty million, two hundred forty-two thousand, one".

Divisors: 1 13 23 299 67699 880087 1557077 20242001