Base | Representation |
---|---|
bin | 1010000001001… |
… | …1100010100000 |
3 | 2221001222211002 |
4 | 2200103202200 |
5 | 41224214242 |
6 | 4100411132 |
7 | 1020122150 |
oct | 240234240 |
9 | 87058732 |
10 | 42023072 |
11 | 217a2613 |
12 | 120a6aa8 |
13 | 8924630 |
14 | 581c760 |
15 | 3a51432 |
hex | 28138a0 |
42023072 has 48 divisors (see below), whose sum is σ = 101832192. Its totient is φ = 16623360.
The previous prime is 42023071. The next prime is 42023077. The reversal of 42023072 is 27032024.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (42023071) 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, 4304 + ... + 10127.
It is an arithmetic number, because the mean of its divisors is an integer number (2121504).
Almost surely, 242023072 is an apocalyptic number.
It is an amenable number.
42023072 is an abundant number, since it is smaller than the sum of its proper divisors (59809120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42023072 is a wasteful number, since it uses less digits than its factorization.
42023072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14461 (or 14453 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 20.
The square root of 42023072 is about 6482.5204974608. The cubic root of 42023072 is about 347.6663027473. Note that the first 3 decimals are identical.
Adding to 42023072 its reverse (27032024), we get a palindrome (69055096).
The spelling of 42023072 in words is "forty-two million, twenty-three thousand, seventy-two".
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