Search a number
-
+
20032465 = 58348271
BaseRepresentation
bin100110001101…
…0101111010001
31101200202101011
41030122233101
520112014330
61553210521
7332162455
oct114325721
941622334
1020032465
1110342762
126860a41
1341c513b
142936665
151b5a82a
hex131abd1

20032465 has 8 divisors (see below), whose sum is σ = 24329088. Its totient is φ = 15832560.

The previous prime is 20032457. The next prime is 20032483. The reversal of 20032465 is 56423002.

It is a happy number.

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

It is not a de Polignac number, because 20032465 - 23 = 20032457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 23721 + ... + 24550.

It is an arithmetic number, because the mean of its divisors is an integer number (3041136).

Almost surely, 220032465 is an apocalyptic number.

It is an amenable number.

20032465 is a deficient number, since it is larger than the sum of its proper divisors (4296623).

20032465 is an equidigital number, since it uses as much as digits as its factorization.

20032465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48359.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20032465 is about 4475.7641805618. The cubic root of 20032465 is about 271.5885548740.

Adding to 20032465 its reverse (56423002), we get a palindrome (76455467).

The spelling of 20032465 in words is "twenty million, thirty-two thousand, four hundred sixty-five".

Divisors: 1 5 83 415 48271 241355 4006493 20032465