Search a number
-
+
20324045 = 57580687
BaseRepresentation
bin100110110000…
…1111011001101
31102020120100102
41031201323031
520200332140
62003340445
7334515530
oct115417315
942216312
1020324045
1110521835
126981725
134297a81
1429b0a17
151bb6e15
hex1361ecd

20324045 has 8 divisors (see below), whose sum is σ = 27873024. Its totient is φ = 13936464.

The previous prime is 20324039. The next prime is 20324077. The reversal of 20324045 is 54042302.

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 20324045 - 210 = 20323021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290309 + ... + 290378.

It is an arithmetic number, because the mean of its divisors is an integer number (3484128).

Almost surely, 220324045 is an apocalyptic number.

It is an amenable number.

20324045 is a deficient number, since it is larger than the sum of its proper divisors (7548979).

20324045 is an equidigital number, since it uses as much as digits as its factorization.

20324045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580699.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20324045 is about 4508.2197151426. The cubic root of 20324045 is about 272.8999038193.

Adding to 20324045 its reverse (54042302), we get a palindrome (74366347).

The spelling of 20324045 in words is "twenty million, three hundred twenty-four thousand, forty-five".

Divisors: 1 5 7 35 580687 2903435 4064809 20324045