Base | Representation |
---|---|
bin | 101100111000… |
… | …0101000111100 |
3 | 1122021110011010 |
4 | 1121300220330 |
5 | 22010430134 |
6 | 2200155220 |
7 | 404000466 |
oct | 131605074 |
9 | 48243133 |
10 | 23530044 |
11 | 1231151a |
12 | 7a68b10 |
13 | 4b4b105 |
14 | 31a7136 |
15 | 20ebce9 |
hex | 1670a3c |
23530044 has 12 divisors (see below), whose sum is σ = 54903464. Its totient is φ = 7843344.
The previous prime is 23530043. The next prime is 23530051. The reversal of 23530044 is 44003532.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 23530044.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23530043) 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, 980407 + ... + 980430.
Almost surely, 223530044 is an apocalyptic number.
It is an amenable number.
23530044 is an abundant number, since it is smaller than the sum of its proper divisors (31373420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23530044 is a wasteful number, since it uses less digits than its factorization.
23530044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1960844 (or 1960842 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 21.
The square root of 23530044 is about 4850.7776696113. Note that the first 3 decimals coincide. The cubic root of 23530044 is about 286.5547288458.
Adding to 23530044 its reverse (44003532), we get a palindrome (67533576).
The spelling of 23530044 in words is "twenty-three million, five hundred thirty thousand, forty-four".
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