Search a number
-
+
20442301 = 1112714633
BaseRepresentation
bin100110111111…
…0110010111101
31102110120120021
41031332302331
520213123201
62010052141
7335520355
oct115766275
942416507
1020442301
11105a2670
126a1a051
134309849
142a01b65
151bdbea1
hex137ecbd

20442301 has 8 divisors (see below), whose sum is σ = 22477824. Its totient is φ = 18436320.

The previous prime is 20442293. The next prime is 20442349. The reversal of 20442301 is 10324402.

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 20442301 - 23 = 20442293 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 (20442901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5920 + ... + 8713.

It is an arithmetic number, because the mean of its divisors is an integer number (2809728).

Almost surely, 220442301 is an apocalyptic number.

It is an amenable number.

20442301 is a deficient number, since it is larger than the sum of its proper divisors (2035523).

20442301 is a wasteful number, since it uses less digits than its factorization.

20442301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14771.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20442301 is about 4521.3162906393. The cubic root of 20442301 is about 273.4281723577.

Adding to 20442301 its reverse (10324402), we get a palindrome (30766703).

The spelling of 20442301 in words is "twenty million, four hundred forty-two thousand, three hundred one".

Divisors: 1 11 127 1397 14633 160963 1858391 20442301