Search a number
-
+
20116753 = 131153563
BaseRepresentation
bin100110010111…
…1010100010001
31101212000222221
41030233110101
520122214003
61555101041
7332663266
oct114572421
941760887
1020116753
11103a0018
1268a1781
134224607
14295926d
151b757bd
hex132f511

20116753 has 4 divisors (see below), whose sum is σ = 20270448. Its totient is φ = 19963060.

The previous prime is 20116751. The next prime is 20116757. The reversal of 20116753 is 35761102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20116753 - 21 = 20116751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20116751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76651 + ... + 76912.

It is an arithmetic number, because the mean of its divisors is an integer number (5067612).

Almost surely, 220116753 is an apocalyptic number.

It is an amenable number.

20116753 is a deficient number, since it is larger than the sum of its proper divisors (153695).

20116753 is a wasteful number, since it uses less digits than its factorization.

20116753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153694.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 20116753 is about 4485.1703423616. The cubic root of 20116753 is about 271.9689311760.

Adding to 20116753 its reverse (35761102), we get a palindrome (55877855).

The spelling of 20116753 in words is "twenty million, one hundred sixteen thousand, seven hundred fifty-three".

Divisors: 1 131 153563 20116753