Base | Representation |
---|---|
bin | 101100111000… |
… | …0101000101110 |
3 | 1122021110010121 |
4 | 1121300220232 |
5 | 22010430110 |
6 | 2200155154 |
7 | 404000446 |
oct | 131605056 |
9 | 48243117 |
10 | 23530030 |
11 | 12311507 |
12 | 7a68aba |
13 | 4b4b0c4 |
14 | 31a7126 |
15 | 20ebcda |
hex | 1670a2e |
23530030 has 16 divisors (see below), whose sum is σ = 43339824. Its totient is φ = 9192960.
The previous prime is 23530027. The next prime is 23530043. The reversal of 23530030 is 3003532.
It is a junction number, because it is equal to n+sod(n) for n = 23529986 and 23530013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26931 + ... + 27790.
It is an arithmetic number, because the mean of its divisors is an integer number (2708739).
Almost surely, 223530030 is an apocalyptic number.
23530030 is a deficient number, since it is larger than the sum of its proper divisors (19809794).
23530030 is a wasteful number, since it uses less digits than its factorization.
23530030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54771.
The product of its (nonzero) digits is 270, while the sum is 16.
The square root of 23530030 is about 4850.7762265435. The cubic root of 23530030 is about 286.5546720140.
Adding to 23530030 its reverse (3003532), we get a palindrome (26533562).
The spelling of 23530030 in words is "twenty-three million, five hundred thirty thousand, thirty".
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