| Base | Representation |
|---|---|
| bin | 1010001001010… |
| … | …0100000000100 |
| 3 | 2222001211102002 |
| 4 | 2202110200010 |
| 5 | 41343120200 |
| 6 | 4120004432 |
| 7 | 1024452161 |
| oct | 242244004 |
| 9 | 88054362 |
| 10 | 42551300 |
| 11 | 22023470 |
| 12 | 12300718 |
| 13 | 8a7abac |
| 14 | 5919068 |
| 15 | 3b07bd5 |
| hex | 2894804 |
42551300 has 72 divisors (see below), whose sum is σ = 101993472. Its totient is φ = 15280000.
The previous prime is 42551297. The next prime is 42551303. The reversal of 42551300 is 315524.
It is an interprime number because it is at equal distance from previous prime (42551297) and next prime (42551303).
It is a super-2 number, since 2×425513002 = 3621226263380000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (42551303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110909 + ... + 111291.
It is an arithmetic number, because the mean of its divisors is an integer number (1416576).
Almost surely, 242551300 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42551300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50996736).
42551300 is an abundant number, since it is smaller than the sum of its proper divisors (59442172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42551300 is a wasteful number, since it uses less digits than its factorization.
42551300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 509 (or 502 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 42551300 is about 6523.1357490091. The cubic root of 42551300 is about 349.1169576506.
Adding to 42551300 its reverse (315524), we get a palindrome (42866824).
It can be divided in two parts, 4255 and 1300, that added together give a palindrome (5555).
The spelling of 42551300 in words is "forty-two million, five hundred fifty-one thousand, three hundred".
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