Base | Representation |
---|---|
bin | 101011111111… |
… | …1010000010100 |
3 | 1121101212002020 |
4 | 1113333100110 |
5 | 21401044440 |
6 | 2142213140 |
7 | 400024464 |
oct | 127772024 |
9 | 47355066 |
10 | 23065620 |
11 | 120245a6 |
12 | 78841b0 |
13 | 4a178c6 |
14 | 30c5ba4 |
15 | 20593d0 |
hex | 15ff414 |
23065620 has 48 divisors (see below), whose sum is σ = 67986240. Its totient is φ = 5826816.
The previous prime is 23065589. The next prime is 23065631. The reversal of 23065620 is 2656032.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8977 + ... + 11256.
It is an arithmetic number, because the mean of its divisors is an integer number (1416380).
Almost surely, 223065620 is an apocalyptic number.
23065620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23065620 is an abundant number, since it is smaller than the sum of its proper divisors (44920620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23065620 is a wasteful number, since it uses less digits than its factorization.
23065620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20264 (or 20262 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 23065620 is about 4802.6680085136. The cubic root of 23065620 is about 284.6568970559.
The spelling of 23065620 in words is "twenty-three million, sixty-five thousand, six hundred twenty".
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