Base | Representation |
---|---|
bin | 101101001101… |
… | …1110001110100 |
3 | 1122121102112102 |
4 | 1122123301310 |
5 | 22032103430 |
6 | 2204041232 |
7 | 405334601 |
oct | 132336164 |
9 | 48542472 |
10 | 23706740 |
11 | 12422252 |
12 | 7b33218 |
13 | 4bb0675 |
14 | 32116a8 |
15 | 2134345 |
hex | 169bc74 |
23706740 has 12 divisors (see below), whose sum is σ = 49784196. Its totient is φ = 9482688.
The previous prime is 23706713. The next prime is 23706763. The reversal of 23706740 is 4760732.
It can be written as a sum of positive squares in 2 ways, for example, as 10471696 + 13235044 = 3236^2 + 3638^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592649 + ... + 592688.
It is an arithmetic number, because the mean of its divisors is an integer number (4148683).
Almost surely, 223706740 is an apocalyptic number.
23706740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23706740 is an abundant number, since it is smaller than the sum of its proper divisors (26077456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23706740 is a wasteful number, since it uses less digits than its factorization.
23706740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1185346 (or 1185344 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 29.
The square root of 23706740 is about 4868.9567671114. The cubic root of 23706740 is about 287.2702234636.
The spelling of 23706740 in words is "twenty-three million, seven hundred six thousand, seven hundred forty".
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