Base | Representation |
---|---|
bin | 101100010000… |
… | …0100000100101 |
3 | 1121122202221000 |
4 | 1120200200211 |
5 | 21414424304 |
6 | 2145143513 |
7 | 401132550 |
oct | 130404045 |
9 | 47582830 |
10 | 23201829 |
11 | 12107972 |
12 | 792ab99 |
13 | 4a648c1 |
14 | 311d697 |
15 | 2084939 |
hex | 1620825 |
23201829 has 16 divisors (see below), whose sum is σ = 39283840. Its totient is φ = 13258080.
The previous prime is 23201767. The next prime is 23201839. The reversal of 23201829 is 92810232.
It is a happy number.
It is not a de Polignac number, because 23201829 - 29 = 23201317 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23201839) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61192 + ... + 61569.
It is an arithmetic number, because the mean of its divisors is an integer number (2455240).
Almost surely, 223201829 is an apocalyptic number.
It is an amenable number.
23201829 is a deficient number, since it is larger than the sum of its proper divisors (16082011).
23201829 is a wasteful number, since it uses less digits than its factorization.
23201829 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122777 (or 122771 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 23201829 is about 4816.8276905034. The cubic root of 23201829 is about 285.2161241537.
The spelling of 23201829 in words is "twenty-three million, two hundred one thousand, eight hundred twenty-nine".
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