Search a number
-
+
20201463 = 324395113
BaseRepresentation
bin100110100001…
…1111111110111
31102000100012100
41031003333313
520132421323
62000553143
7333465252
oct115037767
942010170
1020201463
1110448727
1269227b3
134254039
14297c099
151b90943
hex1343ff7

20201463 has 12 divisors (see below), whose sum is σ = 29252080. Its totient is φ = 13434336.

The previous prime is 20201449. The next prime is 20201477. The reversal of 20201463 is 36410202.

It is a happy number.

20201463 is a `hidden beast` number, since 2 + 0 + 201 + 463 = 666.

It is an interprime number because it is at equal distance from previous prime (20201449) and next prime (20201477).

It is a de Polignac number, because none of the positive numbers 2k-20201463 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 (20201483) 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 11 ways as a sum of consecutive naturals, for example, 1395 + ... + 6507.

Almost surely, 220201463 is an apocalyptic number.

20201463 is a deficient number, since it is larger than the sum of its proper divisors (9050617).

20201463 is a wasteful number, since it uses less digits than its factorization.

20201463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20201463 is about 4494.6037645158. The cubic root of 20201463 is about 272.3501428932.

Adding to 20201463 its reverse (36410202), we get a palindrome (56611665).

The spelling of 20201463 in words is "twenty million, two hundred one thousand, four hundred sixty-three".

Divisors: 1 3 9 439 1317 3951 5113 15339 46017 2244607 6733821 20201463