[go: up one dir, main page]

Search a number
-
+
23020541 = 33316911
BaseRepresentation
bin101011111010…
…0001111111101
31121022120020122
41113310033331
521343124131
62141224325
7366446165
oct127641775
947276218
1023020541
1111aa3745
1278620a5
134a0022b
1430b35a5
15204ad7b
hex15f43fd

23020541 has 4 divisors (see below), whose sum is σ = 23030784. Its totient is φ = 23010300.

The previous prime is 23020511. The next prime is 23020573. The reversal of 23020541 is 14502032.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23020541 - 210 = 23019517 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 (23020511) 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 3 ways as a sum of consecutive naturals, for example, 125 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (5757696).

Almost surely, 223020541 is an apocalyptic number.

It is an amenable number.

23020541 is a deficient number, since it is larger than the sum of its proper divisors (10243).

23020541 is an equidigital number, since it uses as much as digits as its factorization.

23020541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23020541 is about 4797.9725926687. The cubic root of 23020541 is about 284.4713334781.

Adding to 23020541 its reverse (14502032), we get a palindrome (37522573).

The spelling of 23020541 in words is "twenty-three million, twenty thousand, five hundred forty-one".

Divisors: 1 3331 6911 23020541