Base | Representation |
---|---|
bin | 101100100011… |
… | …1001110100100 |
3 | 1121221211110202 |
4 | 1121013032210 |
5 | 21440013140 |
6 | 2152410032 |
7 | 402363116 |
oct | 131071644 |
9 | 47854422 |
10 | 23360420 |
11 | 12206036 |
12 | 79a6918 |
13 | 4abbb45 |
14 | 31613b6 |
15 | 20b6915 |
hex | 16473a4 |
23360420 has 24 divisors (see below), whose sum is σ = 49750848. Its totient is φ = 9212000.
The previous prime is 23360419. The next prime is 23360429. The reversal of 23360420 is 2406332.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 23360392 and 23360401.
It is not an unprimeable number, because it can be changed into a prime (23360429) 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, 6806 + ... + 9645.
It is an arithmetic number, because the mean of its divisors is an integer number (2072952).
Almost surely, 223360420 is an apocalyptic number.
23360420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23360420 is an abundant number, since it is smaller than the sum of its proper divisors (26390428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23360420 is a wasteful number, since it uses less digits than its factorization.
23360420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16531 (or 16529 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 23360420 is about 4833.2618385517. The cubic root of 23360420 is about 285.8644931610.
Adding to 23360420 its reverse (2406332), we get a palindrome (25766752).
The spelling of 23360420 in words is "twenty-three million, three hundred sixty thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •