Base | Representation |
---|---|
bin | 101011111010… |
… | …0001101111111 |
3 | 1121022120001222 |
4 | 1113310031333 |
5 | 21343123130 |
6 | 2141223555 |
7 | 366445625 |
oct | 127641577 |
9 | 47276058 |
10 | 23020415 |
11 | 11aa3640 |
12 | 7861bbb |
13 | 4a00162 |
14 | 30b3515 |
15 | 204ace5 |
hex | 15f437f |
23020415 has 8 divisors (see below), whose sum is σ = 30135888. Its totient is φ = 16742080.
The previous prime is 23020411. The next prime is 23020421. The reversal of 23020415 is 51402032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23020415 - 22 = 23020411 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23020393 and 23020402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23020411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209222 + ... + 209331.
It is an arithmetic number, because the mean of its divisors is an integer number (3766986).
Almost surely, 223020415 is an apocalyptic number.
23020415 is a deficient number, since it is larger than the sum of its proper divisors (7115473).
23020415 is a wasteful number, since it uses less digits than its factorization.
23020415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418569.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 23020415 is about 4797.9594621047. The cubic root of 23020415 is about 284.4708144712.
Adding to 23020415 its reverse (51402032), we get a palindrome (74422447).
The spelling of 23020415 in words is "twenty-three million, twenty thousand, four hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •