Base | Representation |
---|---|
bin | 101100100110… |
… | …0000111100100 |
3 | 1121222211221200 |
4 | 1121030013210 |
5 | 21441133302 |
6 | 2153042500 |
7 | 402505404 |
oct | 131140744 |
9 | 47884850 |
10 | 23380452 |
11 | 1221a097 |
12 | 79b6430 |
13 | 4ac7cb4 |
14 | 3168804 |
15 | 20bc81c |
hex | 164c1e4 |
23380452 has 18 divisors (see below), whose sum is σ = 59100678. Its totient is φ = 7793472.
The previous prime is 23380451. The next prime is 23380459. The reversal of 23380452 is 25408332.
It can be written as a sum of positive squares in only one way, i.e., 18610596 + 4769856 = 4314^2 + 2184^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is not an unprimeable number, because it can be changed into a prime (23380451) 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 5 ways as a sum of consecutive naturals, for example, 324693 + ... + 324764.
It is an arithmetic number, because the mean of its divisors is an integer number (3283371).
Almost surely, 223380452 is an apocalyptic number.
It is an amenable number.
23380452 is an abundant number, since it is smaller than the sum of its proper divisors (35720226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23380452 is a wasteful number, since it uses less digits than its factorization.
23380452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649467 (or 649462 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 23380452 is about 4835.3337009973. Note that the first 3 decimals coincide. The cubic root of 23380452 is about 285.9461812109.
Adding to 23380452 its reverse (25408332), we get a palindrome (48788784).
It can be divided in two parts, 23380 and 452, that added together give a palindrome (23832).
The spelling of 23380452 in words is "twenty-three million, three hundred eighty thousand, four hundred fifty-two".
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