Search a number
-
+
23411040 = 25351719151
BaseRepresentation
bin101100101001…
…1100101100000
31122001101220120
41121103211200
521443123130
62153440240
7402663522
oct131234540
948041816
1023411040
1112240074
127a10080
134b08bb3
143175a12
1520c6910
hex1653960

23411040 has 192 divisors, whose sum is σ = 82736640. Its totient is φ = 5529600.

The previous prime is 23411039. The next prime is 23411071. The reversal of 23411040 is 4011432.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154965 + ... + 155115.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 223411040 is an apocalyptic number.

23411040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23411040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41368320).

23411040 is an abundant number, since it is smaller than the sum of its proper divisors (59325600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23411040 is a wasteful number, since it uses less digits than its factorization.

23411040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23411040 is about 4838.4956339755. The cubic root of 23411040 is about 286.0708253693.

Adding to 23411040 its reverse (4011432), we get a palindrome (27422472).

The spelling of 23411040 in words is "twenty-three million, four hundred eleven thousand, forty".