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23245144 = 2313397563
BaseRepresentation
bin101100010101…
…1000101011000
31121201222100021
41120223011120
521422321034
62150120224
7401403046
oct130530530
947658307
1023245144
111213746a
127950074
134a7b530
143131396
1520926b4
hex162b158

23245144 has 32 divisors (see below), whose sum is σ = 47139120. Its totient is φ = 10682496.

The previous prime is 23245141. The next prime is 23245169. The reversal of 23245144 is 44154232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23245141) 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, 41007 + ... + 41569.

Almost surely, 223245144 is an apocalyptic number.

It is an amenable number.

23245144 is an abundant number, since it is smaller than the sum of its proper divisors (23893976).

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

23245144 is a wasteful number, since it uses less digits than its factorization.

23245144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 975 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 23245144 is about 4821.3218104582. The cubic root of 23245144 is about 285.3935017862.

Adding to 23245144 its reverse (44154232), we get a palindrome (67399376).

The spelling of 23245144 in words is "twenty-three million, two hundred forty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 397 563 794 1126 1588 2252 3176 4504 5161 7319 10322 14638 20644 29276 41288 58552 223511 447022 894044 1788088 2905643 5811286 11622572 23245144