Base | Representation |
---|---|
bin | 101100000000… |
… | …0011001001101 |
3 | 1121102002111000 |
4 | 1120000121031 |
5 | 21401222120 |
6 | 2142250513 |
7 | 400044210 |
oct | 130003115 |
9 | 47362430 |
10 | 23070285 |
11 | 12028057 |
12 | 7886a39 |
13 | 4a19a74 |
14 | 30c7777 |
15 | 205a990 |
hex | 160064d |
23070285 has 32 divisors (see below), whose sum is σ = 46874880. Its totient is φ = 10545984.
The previous prime is 23070259. The next prime is 23070287. The reversal of 23070285 is 58207032.
It is not a de Polignac number, because 23070285 - 26 = 23070221 is a prime.
It is a super-3 number, since 3×230702853 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23070287) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11262 + ... + 13151.
It is an arithmetic number, because the mean of its divisors is an integer number (1464840).
Almost surely, 223070285 is an apocalyptic number.
It is an amenable number.
23070285 is an abundant number, since it is smaller than the sum of its proper divisors (23804595).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23070285 is a wasteful number, since it uses less digits than its factorization.
23070285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24434 (or 24428 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 23070285 is about 4803.1536515086. The cubic root of 23070285 is about 284.6760862924.
The spelling of 23070285 in words is "twenty-three million, seventy thousand, two hundred eighty-five".
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