Base | Representation |
---|---|
bin | 101100100110… |
… | …0101011010010 |
3 | 1121222222002100 |
4 | 1121030223102 |
5 | 21441221423 |
6 | 2153101230 |
7 | 402515151 |
oct | 131145322 |
9 | 47888070 |
10 | 23382738 |
11 | 12220885 |
12 | 79b7816 |
13 | 4ac9052 |
14 | 3169598 |
15 | 20bd343 |
hex | 164cad2 |
23382738 has 12 divisors (see below), whose sum is σ = 50662638. Its totient is φ = 7794240.
The previous prime is 23382731. The next prime is 23382757. The reversal of 23382738 is 83728332.
It can be written as a sum of positive squares in only one way, i.e., 13816089 + 9566649 = 3717^2 + 3093^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23382731) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 649503 + ... + 649538.
Almost surely, 223382738 is an apocalyptic number.
23382738 is an abundant number, since it is smaller than the sum of its proper divisors (27279900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23382738 is a wasteful number, since it uses less digits than its factorization.
23382738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1299049 (or 1299046 counting only the distinct ones).
The product of its digits is 48384, while the sum is 36.
The square root of 23382738 is about 4835.5700801457. The cubic root of 23382738 is about 285.9555002733.
The spelling of 23382738 in words is "twenty-three million, three hundred eighty-two thousand, seven hundred thirty-eight".
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