Base | Representation |
---|---|
bin | 101101010111… |
… | …0011001101100 |
3 | 1122202022011121 |
4 | 1122232121230 |
5 | 22042024040 |
6 | 2205430324 |
7 | 406103152 |
oct | 132563154 |
9 | 48668147 |
10 | 23783020 |
11 | 12474598 |
12 | 7b6b3a4 |
13 | 4c092c1 |
14 | 32313d2 |
15 | 214bc4a |
hex | 16ae66c |
23783020 has 12 divisors (see below), whose sum is σ = 49944384. Its totient is φ = 9513200.
The previous prime is 23782991. The next prime is 23783027. The reversal of 23783020 is 2038732.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (23783027) 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, 594556 + ... + 594595.
It is an arithmetic number, because the mean of its divisors is an integer number (4162032).
Almost surely, 223783020 is an apocalyptic number.
23783020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23783020 is an abundant number, since it is smaller than the sum of its proper divisors (26161364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23783020 is a wasteful number, since it uses less digits than its factorization.
23783020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1189160 (or 1189158 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 23783020 is about 4876.7837762197. The cubic root of 23783020 is about 287.5780052985.
The spelling of 23783020 in words is "twenty-three million, seven hundred eighty-three thousand, twenty".
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