Base | Representation |
---|---|
bin | 1010000110010… |
… | …1110011011110 |
3 | 2221201010001000 |
4 | 2201211303132 |
5 | 41321010110 |
6 | 4111531130 |
7 | 1023024426 |
oct | 241456336 |
9 | 87633030 |
10 | 42360030 |
11 | 21a02799 |
12 | 12229aa6 |
13 | 8a11b0b |
14 | 58a9486 |
15 | 3abb1c0 |
hex | 2865cde |
42360030 has 64 divisors (see below), whose sum is σ = 113817600. Its totient is φ = 11210400.
The previous prime is 42360001. The next prime is 42360061. The reversal of 42360030 is 3006324.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 42359985 and 42360012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40251 + ... + 41289.
It is an arithmetic number, because the mean of its divisors is an integer number (1778400).
Almost surely, 242360030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42360030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56908800).
42360030 is an abundant number, since it is smaller than the sum of its proper divisors (71457570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42360030 is a wasteful number, since it uses less digits than its factorization.
42360030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1206 (or 1200 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 42360030 is about 6508.4583428028. The cubic root of 42360030 is about 348.5930731143.
Adding to 42360030 its reverse (3006324), we get a palindrome (45366354).
The spelling of 42360030 in words is "forty-two million, three hundred sixty thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.136 sec. • engine limits •