Base | Representation |
---|---|
bin | 1010001011001… |
… | …1111111110000 |
3 | 2222022101101000 |
4 | 2202303333300 |
5 | 41411232204 |
6 | 4122442000 |
7 | 1025530242 |
oct | 242637760 |
9 | 88271330 |
10 | 42680304 |
11 | 22101387 |
12 | 12363300 |
13 | 8ac4824 |
14 | 5950092 |
15 | 3b31039 |
hex | 28b3ff0 |
42680304 has 80 divisors (see below), whose sum is σ = 126499840. Its totient is φ = 13763520.
The previous prime is 42680299. The next prime is 42680321. The reversal of 42680304 is 40308624.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11799 + ... + 14985.
It is an arithmetic number, because the mean of its divisors is an integer number (1581248).
Almost surely, 242680304 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 42680304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63249920).
42680304 is an abundant number, since it is smaller than the sum of its proper divisors (83819536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42680304 is a wasteful number, since it uses less digits than its factorization.
42680304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3235 (or 3223 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
The square root of 42680304 is about 6533.0164549004. The cubic root of 42680304 is about 349.4694110162.
Adding to 42680304 its reverse (40308624), we get a palindrome (82988928).
The spelling of 42680304 in words is "forty-two million, six hundred eighty thousand, three hundred four".
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