Search a number
-
+
23758141 = 112159831
BaseRepresentation
bin101101010100…
…0010100111101
31122201001001011
41122220110331
522040230031
62205115221
7405640501
oct132502475
948631034
1023758141
1112457930
127b58b11
134bcab94
143226301
1521446b1
hex16a853d

23758141 has 4 divisors (see below), whose sum is σ = 25917984. Its totient is φ = 21598300.

The previous prime is 23758139. The next prime is 23758153. The reversal of 23758141 is 14185732.

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 23758141 - 21 = 23758139 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23753141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1079905 + ... + 1079926.

It is an arithmetic number, because the mean of its divisors is an integer number (6479496).

Almost surely, 223758141 is an apocalyptic number.

It is an amenable number.

23758141 is a deficient number, since it is larger than the sum of its proper divisors (2159843).

23758141 is a wasteful number, since it uses less digits than its factorization.

23758141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159842.

The product of its digits is 6720, while the sum is 31.

The square root of 23758141 is about 4874.2323498167. The cubic root of 23758141 is about 287.4776935434.

The spelling of 23758141 in words is "twenty-three million, seven hundred fifty-eight thousand, one hundred forty-one".

Divisors: 1 11 2159831 23758141