Search a number
-
+
23201741 = 139166919
BaseRepresentation
bin101100010000…
…0011111001101
31121122202210202
41120200133031
521414423431
62145143245
7401132363
oct130403715
947582722
1023201741
11121078a2
12792ab25
134a64854
14311d633
1520848cb
hex16207cd

23201741 has 4 divisors (see below), whose sum is σ = 23368800. Its totient is φ = 23034684.

The previous prime is 23201729. The next prime is 23201767. The reversal of 23201741 is 14710232.

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 23201741 - 210 = 23200717 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 (23201041) 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, 83321 + ... + 83598.

It is an arithmetic number, because the mean of its divisors is an integer number (5842200).

Almost surely, 223201741 is an apocalyptic number.

It is an amenable number.

23201741 is a deficient number, since it is larger than the sum of its proper divisors (167059).

23201741 is a wasteful number, since it uses less digits than its factorization.

23201741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167058.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 23201741 is about 4816.8185558520. The cubic root of 23201741 is about 285.2157635636.

Adding to 23201741 its reverse (14710232), we get a palindrome (37911973).

The spelling of 23201741 in words is "twenty-three million, two hundred one thousand, seven hundred forty-one".

Divisors: 1 139 166919 23201741