Base | Representation |
---|---|
bin | 101101001101… |
… | …1101001100101 |
3 | 1122121101210220 |
4 | 1122123221211 |
5 | 22032044323 |
6 | 2204034553 |
7 | 405333216 |
oct | 132335145 |
9 | 48541726 |
10 | 23706213 |
11 | 12421913 |
12 | 7b32a59 |
13 | 4bb035b |
14 | 321140d |
15 | 21340e3 |
hex | 169ba65 |
23706213 has 8 divisors (see below), whose sum is σ = 31639776. Its totient is φ = 15788400.
The previous prime is 23706209. The next prime is 23706217. The reversal of 23706213 is 31260732.
It is an interprime number because it is at equal distance from previous prime (23706209) and next prime (23706217).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23706213 - 22 = 23706209 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23706217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198 + ... + 6888.
It is an arithmetic number, because the mean of its divisors is an integer number (3954972).
Almost surely, 223706213 is an apocalyptic number.
It is an amenable number.
23706213 is a deficient number, since it is larger than the sum of its proper divisors (7933563).
23706213 is a wasteful number, since it uses less digits than its factorization.
23706213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7875.
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 23706213 is about 4868.9026484414. The cubic root of 23706213 is about 287.2680947789.
Adding to 23706213 its reverse (31260732), we get a palindrome (54966945).
The spelling of 23706213 in words is "twenty-three million, seven hundred six thousand, two hundred thirteen".
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