Search a number
-
+
23041040 = 2451126183
BaseRepresentation
bin101011111100…
…1010000010000
31121100121100212
41113321100100
521344303130
62141503252
7366563021
oct127712020
947317325
1023041040
1112008090
127871b28
134a09669
1430bac48
152051e95
hex15f9410

23041040 has 40 divisors (see below), whose sum is σ = 58442688. Its totient is φ = 8378240.

The previous prime is 23041033. The next prime is 23041043. The reversal of 23041040 is 4014032.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (23041043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12212 + ... + 13971.

Almost surely, 223041040 is an apocalyptic number.

23041040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23041040 is an abundant number, since it is smaller than the sum of its proper divisors (35401648).

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

23041040 is a wasteful number, since it uses less digits than its factorization.

23041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26207 (or 26201 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23041040 is about 4800.1083321108. The cubic root of 23041040 is about 284.5557457404. Note that the first 3 decimals are identical.

Adding to 23041040 its reverse (4014032), we get a palindrome (27055072).

The spelling of 23041040 in words is "twenty-three million, forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 26183 52366 104732 130915 209464 261830 288013 418928 523660 576026 1047320 1152052 1440065 2094640 2304104 2880130 4608208 5760260 11520520 23041040